Colors Encyclopedia

Generated palette

Ink Blue Palette

Ink Blue Palette: #003F5C, #5C1D00, #005C4B, #00115C. Check roles, contrast and CSS variables; open source-color links and JSON.

Ink Blue Palette assigns primary #003F5C, secondary #5C1D00, surface #005C4B, background #00115C, accent #FFFFFF. The set spans Blue, Orange, Cyan, and Gray families with cool, warm, and neutral temperatures. Luminance runs from #00115C at 0.0117 to #FFFFFF at 1; black gives higher contrast on 1 of 5 values.

All palettesSource colorAPI
5colors
Blue palettedominant group
5use cases

Palette Color Roles

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

Primary#003F5CInk Blue
Secondary#5C1D00#5C1D00
Surface#005C4B#005C4B
Background#00115C#00115C
Accent#FFFFFFWhite

CSS Variables

--palette-ink-blue-primary: #003F5C;
--palette-ink-blue-secondary: #5C1D00;
--palette-ink-blue-surface: #005C4B;
--palette-ink-blue-background: #00115C;
--palette-ink-blue-accent: #FFFFFF;

Accessibility Snapshot

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

Primary#003F5C
Black 1.87:1 · White 11.25:1
Best #FFFFFF
Secondary#5C1D00
Black 1.63:1 · White 12.88:1
Best #FFFFFF
Surface#005C4B
Black 2.63:1 · White 7.98:1
Best #FFFFFF
Background#00115C
Black 1.23:1 · White 17.02:1
Best #FFFFFF
Accent#FFFFFF
Black 21:1 · White 1:1
Best #000000

UI Components Preview

Preview how the Ink 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 Ink Blue Palette Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.0433
Black text1.87:1AA Fail
White text11.25:1AA 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": "#003F5C",
    "name": "Ink Blue"
  },
  {
    "role": "secondary",
    "hex": "#5C1D00",
    "name": "#5C1D00"
  },
  {
    "role": "surface",
    "hex": "#005C4B",
    "name": "#005C4B"
  },
  {
    "role": "background",
    "hex": "#00115C",
    "name": "#00115C"
  },
  {
    "role": "accent",
    "hex": "#FFFFFF",
    "name": "White"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#003F5C",
    "name": "Ink Blue",
    "blackContrast": 1.87,
    "whiteContrast": 11.25,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "secondary",
    "hex": "#5C1D00",
    "name": "#5C1D00",
    "blackContrast": 1.63,
    "whiteContrast": 12.88,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "surface",
    "hex": "#005C4B",
    "name": "#005C4B",
    "blackContrast": 2.63,
    "whiteContrast": 7.98,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "background",
    "hex": "#00115C",
    "name": "#00115C",
    "blackContrast": 1.23,
    "whiteContrast": 17.02,
    "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
[
  "ink blue palette",
  "generated palette",
  "blue palette",
  "orange palette",
  "cyan palette",
  "gray palette",
  "dark palette",
  "jewel tone palette",
  "light palette",
  "neutral palette",
  "cool palette",
  "warm palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "calm digital interfaces"
]
CSS variables
"--palette-ink-blue-primary: #003F5C;\n--palette-ink-blue-secondary: #5C1D00;\n--palette-ink-blue-surface: #005C4B;\n--palette-ink-blue-background: #00115C;\n--palette-ink-blue-accent: #FFFFFF;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "ink-blue",
  "name": "Ink Blue Palette",
  "type": "generated",
  "sourceColor": "ink-blue",
  "description": "Generated palette built from Ink Blue, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Ink Blue Palette combines primary #003F5C, secondary #5C1D00, surface #005C4B, background #00115C, accent #FFFFFF. According to Colors Encyclopedia, the palette works as a blue palette, orange palette, cyan 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": [
    "ink blue palette",
    "generated palette",
    "blue palette",
    "orange palette",
    "cyan palette",
    "gray palette",
    "dark palette",
    "jewel tone palette",
    "light palette",
    "neutral palette",
    "cool palette",
    "warm palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "calm digital interfaces"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#003F5C",
      "slug": "ink-blue",
      "name": "Ink Blue",
      "rgb": [
        0,
        63,
        92
      ],
      "hsl": [
        199,
        100,
        18
      ],
      "cmyk": [
        100,
        32,
        0,
        64
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "dark",
        "jewel-tone"
      ],
      "luminance": 0.0433,
      "contrast": {
        "black": 1.87,
        "white": 11.25
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/ink-blue/"
    },
    {
      "role": "secondary",
      "hex": "#5C1D00",
      "slug": null,
      "name": "#5C1D00",
      "rgb": [
        92,
        29,
        0
      ],
      "hsl": [
        19,
        100,
        18
      ],
      "cmyk": [
        0,
        68,
        100,
        64
      ],
      "family": "orange",
      "temperature": "warm",
      "tone": [
        "dark"
      ],
      "luminance": 0.0315,
      "contrast": {
        "black": 1.63,
        "white": 12.88
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#005C4B",
      "slug": null,
      "name": "#005C4B",
      "rgb": [
        0,
        92,
        75
      ],
      "hsl": [
        169,
        100,
        18
      ],
      "cmyk": [
        100,
        0,
        18,
        64
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "dark"
      ],
      "luminance": 0.0816,
      "contrast": {
        "black": 2.63,
        "white": 7.98
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#00115C",
      "slug": null,
      "name": "#00115C",
      "rgb": [
        0,
        17,
        92
      ],
      "hsl": [
        229,
        100,
        18
      ],
      "cmyk": [
        100,
        82,
        0,
        64
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "dark",
        "jewel-tone"
      ],
      "luminance": 0.0117,
      "contrast": {
        "black": 1.23,
        "white": 17.02
      },
      "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": "#003F5C",
      "name": "Ink Blue"
    },
    {
      "role": "secondary",
      "hex": "#5C1D00",
      "name": "#5C1D00"
    },
    {
      "role": "surface",
      "hex": "#005C4B",
      "name": "#005C4B"
    },
    {
      "role": "background",
      "hex": "#00115C",
      "name": "#00115C"
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "name": "White"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#003F5C",
      "name": "Ink Blue",
      "blackContrast": 1.87,
      "whiteContrast": 11.25,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "secondary",
      "hex": "#5C1D00",
      "name": "#5C1D00",
      "blackContrast": 1.63,
      "whiteContrast": 12.88,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "surface",
      "hex": "#005C4B",
      "name": "#005C4B",
      "blackContrast": 2.63,
      "whiteContrast": 7.98,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "background",
      "hex": "#00115C",
      "name": "#00115C",
      "blackContrast": 1.23,
      "whiteContrast": 17.02,
      "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-ink-blue-primary: #003F5C;\n--palette-ink-blue-secondary: #5C1D00;\n--palette-ink-blue-surface: #005C4B;\n--palette-ink-blue-background: #00115C;\n--palette-ink-blue-accent: #FFFFFF;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/ink-blue.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/ink-blue.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/ink-blue/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/ink-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.Ink Blue Palette JSONOpen the machine-readable palette dataset.Ink Blue colorOpen the source color reference for this generated palette.Blue colorsExplore blue colors related to this palette.Orange colorsExplore orange colors related to this palette.Cyan colorsExplore cyan 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.Light colorsExplore light colors used in palette systems.Neutral colorsExplore neutral colors used in palette systems.