Colors Encyclopedia

Generated palette

Midnight Blue Palette

Midnight Blue Palette: #191970, #717119, #194571, #451971. Check roles, contrast and CSS variables; open source-color links and JSON.

Midnight Blue Palette assigns primary #191970, secondary #717119, surface #194571, background #451971, accent #FFFFFF. The set spans Blue, Yellow, Purple, and Gray families with cool, warm, and neutral temperatures. Luminance runs from #191970 at 0.0207 to #FFFFFF at 1; black gives higher contrast on 1 of 5 values.

All palettesSource colorAPI
5colors
Blue palettedominant group
6use cases

Palette Color Roles

Midnight Blue Palette maps 5 colors to practical UI roles for interfaces, brand systems, and CSS tokens.

Primary#191970Midnight Blue
Secondary#717119#717119
Surface#194571#194571
Background#451971#451971
Accent#FFFFFFWhite

CSS Variables

--palette-midnight-blue-primary: #191970;
--palette-midnight-blue-secondary: #717119;
--palette-midnight-blue-surface: #194571;
--palette-midnight-blue-background: #451971;
--palette-midnight-blue-accent: #FFFFFF;

Accessibility Snapshot

Compare all 5 Midnight Blue Palette values against black and white text, with the stronger standard foreground identified for each role.

Primary#191970
Black 1.41:1 · White 14.85:1
Best #FFFFFF
Secondary#717119
Black 4.08:1 · White 5.15:1
Best #FFFFFF
Surface#194571
Black 2.13:1 · White 9.85:1
Best #FFFFFF
Background#451971
Black 1.63:1 · White 12.88:1
Best #FFFFFF
Accent#FFFFFF
Black 21:1 · White 1:1
Best #000000

UI Components Preview

Preview how the Midnight Blue Palette roles behave together across common interface components before copying the CSS variables.

ButtonPrimary action with checked foreground contrast.
CardSurface treatment using palette roles.
AlertBackground, text, and accent roles together.
NavbarSecondary role with accent state.

Machine-readable data

Machine-Readable Midnight Blue Palette Data (JSON)

Structured palette data for Midnight Blue Palette, including color roles, accessibility, semantic groups, use cases, CSS variables, and API links.

AI-Ready Dataset v1.0.0
Luminance0.0207
Black text1.41:1AA Fail
White text14.85:1AA Pass
colorsPalette colors with roles and color systems
rolesPrimary, secondary, surface, background, and accent mapping
accessibilityContrast and WCAG text options by palette color
semanticGroupsAI-readable palette labels
useCasesDesign and implementation contexts
cssVariablesCopy-ready CSS custom properties
Download JSON Open API
Structured sections
Roles
[
  {
    "role": "primary",
    "hex": "#191970",
    "name": "Midnight Blue"
  },
  {
    "role": "secondary",
    "hex": "#717119",
    "name": "#717119"
  },
  {
    "role": "surface",
    "hex": "#194571",
    "name": "#194571"
  },
  {
    "role": "background",
    "hex": "#451971",
    "name": "#451971"
  },
  {
    "role": "accent",
    "hex": "#FFFFFF",
    "name": "White"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#191970",
    "name": "Midnight Blue",
    "blackContrast": 1.41,
    "whiteContrast": 14.85,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "secondary",
    "hex": "#717119",
    "name": "#717119",
    "blackContrast": 4.08,
    "whiteContrast": 5.15,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "surface",
    "hex": "#194571",
    "name": "#194571",
    "blackContrast": 2.13,
    "whiteContrast": 9.85,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "background",
    "hex": "#451971",
    "name": "#451971",
    "blackContrast": 1.63,
    "whiteContrast": 12.88,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "accent",
    "hex": "#FFFFFF",
    "name": "White",
    "blackContrast": 21,
    "whiteContrast": 1,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  }
]
Semantic groups
[
  "midnight blue palette",
  "generated palette",
  "blue palette",
  "yellow palette",
  "purple palette",
  "gray palette",
  "dark palette",
  "jewel tone palette",
  "earth tone palette",
  "light palette",
  "neutral palette",
  "cool palette",
  "warm palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "natural branding",
  "calm digital interfaces"
]
CSS variables
"--palette-midnight-blue-primary: #191970;\n--palette-midnight-blue-secondary: #717119;\n--palette-midnight-blue-surface: #194571;\n--palette-midnight-blue-background: #451971;\n--palette-midnight-blue-accent: #FFFFFF;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "midnight-blue",
  "name": "Midnight Blue Palette",
  "type": "generated",
  "sourceColor": "midnight-blue",
  "description": "Generated palette built from Midnight Blue, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Midnight Blue Palette combines primary #191970, secondary #717119, surface #194571, background #451971, accent #FFFFFF. According to Colors Encyclopedia, the palette works as a blue palette, yellow palette, purple palette system for design system tokens, CSS variables, palette reference, and AI color ingestion, with each color mapped to roles, contrast data, CSS tokens, and machine-readable JSON.",
  "semanticGroups": [
    "midnight blue palette",
    "generated palette",
    "blue palette",
    "yellow palette",
    "purple palette",
    "gray palette",
    "dark palette",
    "jewel tone palette",
    "earth tone palette",
    "light palette",
    "neutral palette",
    "cool palette",
    "warm palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "natural branding",
    "calm digital interfaces"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#191970",
      "slug": "midnight-blue",
      "name": "Midnight Blue",
      "rgb": [
        25,
        25,
        112
      ],
      "hsl": [
        240,
        64,
        27
      ],
      "cmyk": [
        78,
        78,
        0,
        56
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "dark",
        "jewel-tone"
      ],
      "luminance": 0.0207,
      "contrast": {
        "black": 1.41,
        "white": 14.85
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/midnight-blue/"
    },
    {
      "role": "secondary",
      "hex": "#717119",
      "slug": null,
      "name": "#717119",
      "rgb": [
        113,
        113,
        25
      ],
      "hsl": [
        60,
        64,
        27
      ],
      "cmyk": [
        0,
        0,
        78,
        56
      ],
      "family": "yellow",
      "temperature": "warm",
      "tone": [
        "earth-tone"
      ],
      "luminance": 0.1539,
      "contrast": {
        "black": 4.08,
        "white": 5.15
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#194571",
      "slug": null,
      "name": "#194571",
      "rgb": [
        25,
        69,
        113
      ],
      "hsl": [
        210,
        64,
        27
      ],
      "cmyk": [
        78,
        39,
        0,
        56
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "jewel-tone"
      ],
      "luminance": 0.0566,
      "contrast": {
        "black": 2.13,
        "white": 9.85
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#451971",
      "slug": null,
      "name": "#451971",
      "rgb": [
        69,
        25,
        113
      ],
      "hsl": [
        270,
        64,
        27
      ],
      "cmyk": [
        39,
        78,
        0,
        56
      ],
      "family": "purple",
      "temperature": "cool",
      "tone": [
        "jewel-tone"
      ],
      "luminance": 0.0315,
      "contrast": {
        "black": 1.63,
        "white": 12.88
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": null
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "slug": "white",
      "name": "White",
      "rgb": [
        255,
        255,
        255
      ],
      "hsl": [
        0,
        0,
        100
      ],
      "cmyk": [
        0,
        0,
        0,
        0
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "light",
        "neutral"
      ],
      "luminance": 1,
      "contrast": {
        "black": 21,
        "white": 1
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ],
        "AAA": [
          "#000000",
          "#1A1A1A",
          "#36454F"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/white/"
    }
  ],
  "roles": [
    {
      "role": "primary",
      "hex": "#191970",
      "name": "Midnight Blue"
    },
    {
      "role": "secondary",
      "hex": "#717119",
      "name": "#717119"
    },
    {
      "role": "surface",
      "hex": "#194571",
      "name": "#194571"
    },
    {
      "role": "background",
      "hex": "#451971",
      "name": "#451971"
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "name": "White"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#191970",
      "name": "Midnight Blue",
      "blackContrast": 1.41,
      "whiteContrast": 14.85,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "secondary",
      "hex": "#717119",
      "name": "#717119",
      "blackContrast": 4.08,
      "whiteContrast": 5.15,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "surface",
      "hex": "#194571",
      "name": "#194571",
      "blackContrast": 2.13,
      "whiteContrast": 9.85,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "background",
      "hex": "#451971",
      "name": "#451971",
      "blackContrast": 1.63,
      "whiteContrast": 12.88,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "name": "White",
      "blackContrast": 21,
      "whiteContrast": 1,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    }
  ],
  "cssVariables": "--palette-midnight-blue-primary: #191970;\n--palette-midnight-blue-secondary: #717119;\n--palette-midnight-blue-surface: #194571;\n--palette-midnight-blue-background: #451971;\n--palette-midnight-blue-accent: #FFFFFF;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/midnight-blue.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/midnight-blue.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/midnight-blue/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/midnight-blue.json"
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Related Palette Guides

All color palettesBrowse curated and generated palette references.Midnight Blue Palette JSONOpen the machine-readable palette dataset.Midnight Blue colorOpen the source color reference for this generated palette.Blue colorsExplore blue colors related to this palette.Yellow colorsExplore yellow colors related to this palette.Purple colorsExplore purple colors related to this palette.Gray colorsExplore gray colors related to this palette.Dark colorsExplore dark colors used in palette systems.Jewel Tone colorsExplore jewel tone colors used in palette systems.Earth Tone colorsExplore earth tone colors used in palette systems.Light colorsExplore light colors used in palette systems.