Generated palette

Petrol Blue Palette

Petrol Blue Palette is a generated palette built from #005F6A, #6B0B00, #006B40, #002B6B. According to Colors Encyclopedia, this palette can be used as a CSS-ready color set with linked HEX values, source color context, and machine-readable palette data.

Petrol Blue Palette combines primary #005F6A, secondary #6B0B00, surface #006B40, background #002B6B, accent #FFFFFF. 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.

All palettes Source color API

5colors

Cyan palettedominant group

6use cases

Palette Color Roles

Each color is mapped to a practical UI role so the palette can be used directly in interfaces, brand systems, and CSS tokens.

Primary#005F6APetrol Blue

Secondary#6B0B00#6B0B00

Surface#006B40#006B40

Background#002B6B#002B6B

Accent#FFFFFFWhite

CSS Variables

--palette-petrol-blue-primary: #005F6A;
--palette-petrol-blue-secondary: #6B0B00;
--palette-petrol-blue-surface: #006B40;
--palette-petrol-blue-background: #002B6B;
--palette-petrol-blue-accent: #FFFFFF;

Accessibility Snapshot

Contrast checks for each palette color against black and white text, with best foreground guidance.

Primary#005F6A
Black 2.85:1 · White 7.38:1
Best #FFFFFF

Secondary#6B0B00
Black 1.67:1 · White 12.54:1
Best #FFFFFF

Surface#006B40
Black 3.18:1 · White 6.61:1
Best #FFFFFF

Background#002B6B
Black 1.56:1 · White 13.48:1
Best #FFFFFF

Accent#FFFFFF
Black 21:1 · White 1:1
Best #000000

UI Components Preview

A compact preview of how the palette behaves across common interface components.

ButtonPrimary action with checked foreground contrast.

CardSurface treatment using palette roles.

AlertBackground, text, and accent roles together.

NavbarSecondary role with accent state.

Luminance0.0923

Black text2.85:1AA Fail

White text7.38:1AA 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

Structured sections

Roles

[
  {
    "role": "primary",
    "hex": "#005F6A",
    "name": "Petrol Blue"
  },
  {
    "role": "secondary",
    "hex": "#6B0B00",
    "name": "#6B0B00"
  },
  {
    "role": "surface",
    "hex": "#006B40",
    "name": "#006B40"
  },
  {
    "role": "background",
    "hex": "#002B6B",
    "name": "#002B6B"
  },
  {
    "role": "accent",
    "hex": "#FFFFFF",
    "name": "White"
  }
]

Accessibility

[
  {
    "role": "primary",
    "hex": "#005F6A",
    "name": "Petrol Blue",
    "blackContrast": 2.85,
    "whiteContrast": 7.38,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF"
    ]
  },
  {
    "role": "secondary",
    "hex": "#6B0B00",
    "name": "#6B0B00",
    "blackContrast": 1.67,
    "whiteContrast": 12.54,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ]
  },
  {
    "role": "surface",
    "hex": "#006B40",
    "name": "#006B40",
    "blackContrast": 3.18,
    "whiteContrast": 6.61,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "background",
    "hex": "#002B6B",
    "name": "#002B6B",
    "blackContrast": 1.56,
    "whiteContrast": 13.48,
    "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

[
  "petrol blue palette",
  "generated palette",
  "cyan palette",
  "red palette",
  "green palette",
  "blue 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",
  "wellness and botanical palettes",
  "calm digital interfaces"
]

CSS variables

"--palette-petrol-blue-primary: #005F6A;\n--palette-petrol-blue-secondary: #6B0B00;\n--palette-petrol-blue-surface: #006B40;\n--palette-petrol-blue-background: #002B6B;\n--palette-petrol-blue-accent: #FFFFFF;"

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "petrol-blue",
  "name": "Petrol Blue Palette",
  "type": "generated",
  "sourceColor": "petrol-blue",
  "description": "Generated palette built from Petrol Blue, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Petrol Blue Palette combines primary #005F6A, secondary #6B0B00, surface #006B40, background #002B6B, accent #FFFFFF. 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": [
    "petrol blue palette",
    "generated palette",
    "cyan palette",
    "red palette",
    "green palette",
    "blue 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",
    "wellness and botanical palettes",
    "calm digital interfaces"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#005F6A",
      "slug": "petrol-blue",
      "name": "Petrol Blue",
      "rgb": [
        0,
        95,
        106
      ],
      "hsl": [
        186,
        100,
        21
      ],
      "cmyk": [
        100,
        10,
        0,
        58
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "dark"
      ],
      "luminance": 0.0923,
      "contrast": {
        "black": 2.85,
        "white": 7.38
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/colors/petrol-blue/"
    },
    {
      "role": "secondary",
      "hex": "#6B0B00",
      "slug": null,
      "name": "#6B0B00",
      "rgb": [
        107,
        11,
        0
      ],
      "hsl": [
        6,
        100,
        21
      ],
      "cmyk": [
        0,
        90,
        100,
        58
      ],
      "family": "red",
      "temperature": "warm",
      "tone": [
        "dark"
      ],
      "luminance": 0.0337,
      "contrast": {
        "black": 1.67,
        "white": 12.54
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/hex/6b0b00/"
    },
    {
      "role": "surface",
      "hex": "#006B40",
      "slug": null,
      "name": "#006B40",
      "rgb": [
        0,
        107,
        64
      ],
      "hsl": [
        156,
        100,
        21
      ],
      "cmyk": [
        100,
        0,
        40,
        58
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "dark",
        "jewel-tone"
      ],
      "luminance": 0.1089,
      "contrast": {
        "black": 3.18,
        "white": 6.61
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "url": "https://www.colorsencyclopedia.com/hex/006b40/"
    },
    {
      "role": "background",
      "hex": "#002B6B",
      "slug": null,
      "name": "#002B6B",
      "rgb": [
        0,
        43,
        107
      ],
      "hsl": [
        216,
        100,
        21
      ],
      "cmyk": [
        100,
        60,
        0,
        58
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "dark",
        "jewel-tone"
      ],
      "luminance": 0.0279,
      "contrast": {
        "black": 1.56,
        "white": 13.48
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF",
          "#F5F5F5"
        ]
      },
      "url": "https://www.colorsencyclopedia.com/hex/002b6b/"
    },
    {
      "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": "#005F6A",
      "name": "Petrol Blue"
    },
    {
      "role": "secondary",
      "hex": "#6B0B00",
      "name": "#6B0B00"
    },
    {
      "role": "surface",
      "hex": "#006B40",
      "name": "#006B40"
    },
    {
      "role": "background",
      "hex": "#002B6B",
      "name": "#002B6B"
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "name": "White"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#005F6A",
      "name": "Petrol Blue",
      "blackContrast": 2.85,
      "whiteContrast": 7.38,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF"
      ]
    },
    {
      "role": "secondary",
      "hex": "#6B0B00",
      "name": "#6B0B00",
      "blackContrast": 1.67,
      "whiteContrast": 12.54,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ]
    },
    {
      "role": "surface",
      "hex": "#006B40",
      "name": "#006B40",
      "blackContrast": 3.18,
      "whiteContrast": 6.61,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "background",
      "hex": "#002B6B",
      "name": "#002B6B",
      "blackContrast": 1.56,
      "whiteContrast": 13.48,
      "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-petrol-blue-primary: #005F6A;\n--palette-petrol-blue-secondary: #6B0B00;\n--palette-petrol-blue-surface: #006B40;\n--palette-petrol-blue-background: #002B6B;\n--palette-petrol-blue-accent: #FFFFFF;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/petrol-blue.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/petrol-blue.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/petrol-blue/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/petrol-blue.json"
}

Petrol Blue Palette

Palette Color Roles

CSS Variables

Accessibility Snapshot

UI Components Preview

Machine-Readable Petrol Blue Palette Data (JSON)

Related Palette Guides