Colors Encyclopedia

Generated palette

Manganese Blue Palette

Manganese Blue Palette: #03A89E, #AA030F, #03AA4C, #0362AA. Check roles, contrast and CSS variables; open source-color links and JSON.

Manganese Blue Palette assigns primary #03A89E, secondary #AA030F, surface #03AA4C, background #0362AA, accent #000000. The set spans Cyan, Red, Green, and Blue families with cool, warm, and neutral temperatures. Luminance runs from #000000 at 0 to #03A89E at 0.3049; black gives higher contrast on 2 of 5 values.

All palettesSource colorAPI
5colors
Cyan palettedominant group
6use cases

Palette Color Roles

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

Primary#03A89EManganese Blue
Secondary#AA030F#AA030F
Surface#03AA4C#03AA4C
Background#0362AA#0362AA
Accent#000000Black

CSS Variables

--palette-manganese-blue-primary: #03A89E;
--palette-manganese-blue-secondary: #AA030F;
--palette-manganese-blue-surface: #03AA4C;
--palette-manganese-blue-background: #0362AA;
--palette-manganese-blue-accent: #000000;

Accessibility Snapshot

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

Primary#03A89E
Black 7.1:1 · White 2.96:1
Best #000000
Secondary#AA030F
Black 2.73:1 · White 7.69:1
Best #FFFFFF
Surface#03AA4C
Black 6.86:1 · White 3.06:1
Best #000000
Background#0362AA
Black 3.33:1 · White 6.3:1
Best #FFFFFF
Accent#000000
Black 1:1 · White 21:1
Best #FFFFFF

UI Components Preview

Preview how the Manganese 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 Manganese Blue Palette Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.3049
Black text7.1:1AA Pass
White text2.96:1AA Fail
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": "#03A89E",
    "name": "Manganese Blue"
  },
  {
    "role": "secondary",
    "hex": "#AA030F",
    "name": "#AA030F"
  },
  {
    "role": "surface",
    "hex": "#03AA4C",
    "name": "#03AA4C"
  },
  {
    "role": "background",
    "hex": "#0362AA",
    "name": "#0362AA"
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#03A89E",
    "name": "Manganese Blue",
    "blackContrast": 7.1,
    "whiteContrast": 2.96,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "aaaTextOptions": [
      "#000000"
    ]
  },
  {
    "role": "secondary",
    "hex": "#AA030F",
    "name": "#AA030F",
    "blackContrast": 2.73,
    "whiteContrast": 7.69,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "surface",
    "hex": "#03AA4C",
    "name": "#03AA4C",
    "blackContrast": 6.86,
    "whiteContrast": 3.06,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "background",
    "hex": "#0362AA",
    "name": "#0362AA",
    "blackContrast": 3.33,
    "whiteContrast": 6.3,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "accent",
    "hex": "#000000",
    "name": "Black",
    "blackContrast": 1,
    "whiteContrast": 21,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  }
]
Semantic groups
[
  "manganese blue palette",
  "generated palette",
  "cyan palette",
  "red palette",
  "green palette",
  "blue palette",
  "gray palette",
  "balanced palette",
  "jewel tone palette",
  "dark palette",
  "neutral palette",
  "cool palette",
  "warm palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "wellness and botanical palettes",
  "calm digital interfaces"
]
CSS variables
"--palette-manganese-blue-primary: #03A89E;\n--palette-manganese-blue-secondary: #AA030F;\n--palette-manganese-blue-surface: #03AA4C;\n--palette-manganese-blue-background: #0362AA;\n--palette-manganese-blue-accent: #000000;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "manganese-blue",
  "name": "Manganese Blue Palette",
  "type": "generated",
  "sourceColor": "manganese-blue",
  "description": "Generated palette built from Manganese Blue, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Manganese Blue Palette combines primary #03A89E, secondary #AA030F, surface #03AA4C, background #0362AA, accent #000000. According to Colors Encyclopedia, the palette works as a cyan palette, red palette, green 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": [
    "manganese blue palette",
    "generated palette",
    "cyan palette",
    "red palette",
    "green palette",
    "blue palette",
    "gray palette",
    "balanced palette",
    "jewel tone palette",
    "dark palette",
    "neutral palette",
    "cool palette",
    "warm palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "wellness and botanical palettes",
    "calm digital interfaces"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#03A89E",
      "slug": "manganese-blue",
      "name": "Manganese Blue",
      "rgb": [
        3,
        168,
        158
      ],
      "hsl": [
        176,
        96,
        34
      ],
      "cmyk": [
        98,
        0,
        6,
        34
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "balanced"
      ],
      "luminance": 0.3049,
      "contrast": {
        "black": 7.1,
        "white": 2.96
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": [
          "#000000"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/manganese-blue/"
    },
    {
      "role": "secondary",
      "hex": "#AA030F",
      "slug": null,
      "name": "#AA030F",
      "rgb": [
        170,
        3,
        15
      ],
      "hsl": [
        356,
        97,
        34
      ],
      "cmyk": [
        0,
        98,
        91,
        33
      ],
      "family": "red",
      "temperature": "warm",
      "tone": [
        "balanced"
      ],
      "luminance": 0.0865,
      "contrast": {
        "black": 2.73,
        "white": 7.69
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#03AA4C",
      "slug": null,
      "name": "#03AA4C",
      "rgb": [
        3,
        170,
        76
      ],
      "hsl": [
        146,
        97,
        34
      ],
      "cmyk": [
        98,
        0,
        55,
        33
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "jewel-tone"
      ],
      "luminance": 0.2929,
      "contrast": {
        "black": 6.86,
        "white": 3.06
      },
      "wcag": {
        "AA": [
          "#000000",
          "#1A1A1A"
        ],
        "AAA": []
      },
      "url": "https://www.colorsencyclopedia.com/hex/03aa4c/"
    },
    {
      "role": "background",
      "hex": "#0362AA",
      "slug": null,
      "name": "#0362AA",
      "rgb": [
        3,
        98,
        170
      ],
      "hsl": [
        206,
        97,
        34
      ],
      "cmyk": [
        98,
        42,
        0,
        33
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "jewel-tone"
      ],
      "luminance": 0.1166,
      "contrast": {
        "black": 3.33,
        "white": 6.3
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "accent",
      "hex": "#000000",
      "slug": "black",
      "name": "Black",
      "rgb": [
        0,
        0,
        0
      ],
      "hsl": [
        0,
        0,
        0
      ],
      "cmyk": [
        0,
        0,
        0,
        100
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "dark",
        "neutral"
      ],
      "luminance": 0,
      "contrast": {
        "black": 1,
        "white": 21
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/black/"
    }
  ],
  "roles": [
    {
      "role": "primary",
      "hex": "#03A89E",
      "name": "Manganese Blue"
    },
    {
      "role": "secondary",
      "hex": "#AA030F",
      "name": "#AA030F"
    },
    {
      "role": "surface",
      "hex": "#03AA4C",
      "name": "#03AA4C"
    },
    {
      "role": "background",
      "hex": "#0362AA",
      "name": "#0362AA"
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#03A89E",
      "name": "Manganese Blue",
      "blackContrast": 7.1,
      "whiteContrast": 2.96,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "aaaTextOptions": [
        "#000000"
      ]
    },
    {
      "role": "secondary",
      "hex": "#AA030F",
      "name": "#AA030F",
      "blackContrast": 2.73,
      "whiteContrast": 7.69,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "surface",
      "hex": "#03AA4C",
      "name": "#03AA4C",
      "blackContrast": 6.86,
      "whiteContrast": 3.06,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "background",
      "hex": "#0362AA",
      "name": "#0362AA",
      "blackContrast": 3.33,
      "whiteContrast": 6.3,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "accent",
      "hex": "#000000",
      "name": "Black",
      "blackContrast": 1,
      "whiteContrast": 21,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    }
  ],
  "cssVariables": "--palette-manganese-blue-primary: #03A89E;\n--palette-manganese-blue-secondary: #AA030F;\n--palette-manganese-blue-surface: #03AA4C;\n--palette-manganese-blue-background: #0362AA;\n--palette-manganese-blue-accent: #000000;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/manganese-blue.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/manganese-blue.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/manganese-blue/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/manganese-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.Manganese Blue Palette JSONOpen the machine-readable palette dataset.Manganese Blue colorOpen the source color reference for this generated palette.Cyan colorsExplore cyan colors related to this palette.Red colorsExplore red colors related to this palette.Green colorsExplore green colors related to this palette.Blue colorsExplore blue colors related to this palette.Balanced colorsExplore balanced colors used in palette systems.Jewel Tone colorsExplore jewel tone colors used in palette systems.Dark colorsExplore dark colors used in palette systems.Neutral colorsExplore neutral colors used in palette systems.