Colors Encyclopedia

Generated palette

Storm Blue Palette

Storm Blue Palette: #4F666A, #6A524E, #4E6A60, #4E586A. Check roles, contrast and CSS variables; open source-color links and JSON.

Storm Blue Palette assigns primary #4F666A, secondary #6A524E, surface #4E6A60, background #4E586A, accent #FFFFFF. The set spans Cyan, Red, Green, and Blue families with cool, warm, and neutral temperatures. Luminance runs from #4E586A at 0.0964 to #FFFFFF at 1; black gives higher contrast on 1 of 5 values.

All palettesSource colorAPI
5colors
Cyan palettedominant group
7use cases

Palette Color Roles

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

Primary#4F666AStorm Blue
Secondary#6A524E#6A524E
Surface#4E6A60#4E6A60
Background#4E586A#4E586A
Accent#FFFFFFWhite

CSS Variables

--palette-storm-blue-primary: #4F666A;
--palette-storm-blue-secondary: #6A524E;
--palette-storm-blue-surface: #4E6A60;
--palette-storm-blue-background: #4E586A;
--palette-storm-blue-accent: #FFFFFF;

Accessibility Snapshot

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

Primary#4F666A
Black 3.44:1 · White 6.1:1
Best #FFFFFF
Secondary#6A524E
Black 2.93:1 · White 7.17:1
Best #FFFFFF
Surface#4E6A60
Black 3.55:1 · White 5.91:1
Best #FFFFFF
Background#4E586A
Black 2.93:1 · White 7.17:1
Best #FFFFFF
Accent#FFFFFF
Black 21:1 · White 1:1
Best #000000

UI Components Preview

Preview how the Storm 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 Storm Blue Palette Data (JSON)

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

AI-Ready Dataset v1.0.0
Luminance0.1221
Black text3.44:1AA Fail
White text6.1:1AA 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": "#4F666A",
    "name": "Storm Blue"
  },
  {
    "role": "secondary",
    "hex": "#6A524E",
    "name": "#6A524E"
  },
  {
    "role": "surface",
    "hex": "#4E6A60",
    "name": "#4E6A60"
  },
  {
    "role": "background",
    "hex": "#4E586A",
    "name": "#4E586A"
  },
  {
    "role": "accent",
    "hex": "#FFFFFF",
    "name": "White"
  }
]
Accessibility
[
  {
    "role": "primary",
    "hex": "#4F666A",
    "name": "Storm Blue",
    "blackContrast": 3.44,
    "whiteContrast": 6.1,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "secondary",
    "hex": "#6A524E",
    "name": "#6A524E",
    "blackContrast": 2.93,
    "whiteContrast": 7.17,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF"
    ]
  },
  {
    "role": "surface",
    "hex": "#4E6A60",
    "name": "#4E6A60",
    "blackContrast": 3.55,
    "whiteContrast": 5.91,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": []
  },
  {
    "role": "background",
    "hex": "#4E586A",
    "name": "#4E586A",
    "blackContrast": 2.93,
    "whiteContrast": 7.17,
    "bestTextColor": "#FFFFFF",
    "aaTextOptions": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "aaaTextOptions": [
      "#FFFFFF"
    ]
  },
  {
    "role": "accent",
    "hex": "#FFFFFF",
    "name": "White",
    "blackContrast": 21,
    "whiteContrast": 1,
    "bestTextColor": "#000000",
    "aaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "aaaTextOptions": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  }
]
Semantic groups
[
  "storm blue palette",
  "generated palette",
  "cyan palette",
  "red palette",
  "green palette",
  "blue palette",
  "gray palette",
  "muted palette",
  "earth tone palette",
  "light palette",
  "neutral palette",
  "cool palette",
  "warm palette"
]
Use cases
[
  "design system tokens",
  "CSS variables",
  "palette reference",
  "AI color ingestion",
  "quiet UI themes",
  "natural branding",
  "wellness and botanical palettes"
]
CSS variables
"--palette-storm-blue-primary: #4F666A;\n--palette-storm-blue-secondary: #6A524E;\n--palette-storm-blue-surface: #4E6A60;\n--palette-storm-blue-background: #4E586A;\n--palette-storm-blue-accent: #FFFFFF;"
Full JSON dataset 
{
  "datasetVersion": "1.0.0",
  "slug": "storm-blue",
  "name": "Storm Blue Palette",
  "type": "generated",
  "sourceColor": "storm-blue",
  "description": "Generated palette built from Storm Blue, its harmonies, a high-contrast pairing, and a light variant.",
  "narrative": "Storm Blue Palette combines primary #4F666A, secondary #6A524E, surface #4E6A60, background #4E586A, 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": [
    "storm blue palette",
    "generated palette",
    "cyan palette",
    "red palette",
    "green palette",
    "blue palette",
    "gray palette",
    "muted palette",
    "earth tone palette",
    "light palette",
    "neutral palette",
    "cool palette",
    "warm palette"
  ],
  "useCases": [
    "design system tokens",
    "CSS variables",
    "palette reference",
    "AI color ingestion",
    "quiet UI themes",
    "natural branding",
    "wellness and botanical palettes"
  ],
  "colors": [
    {
      "role": "primary",
      "hex": "#4F666A",
      "slug": "storm-blue",
      "name": "Storm Blue",
      "rgb": [
        79,
        102,
        106
      ],
      "hsl": [
        189,
        15,
        36
      ],
      "cmyk": [
        25,
        4,
        0,
        58
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.1221,
      "contrast": {
        "black": 3.44,
        "white": 6.1
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "url": "https://www.colorsencyclopedia.com/colors/storm-blue/"
    },
    {
      "role": "secondary",
      "hex": "#6A524E",
      "slug": null,
      "name": "#6A524E",
      "rgb": [
        106,
        82,
        78
      ],
      "hsl": [
        9,
        15,
        36
      ],
      "cmyk": [
        0,
        23,
        26,
        58
      ],
      "family": "red",
      "temperature": "warm",
      "tone": [
        "muted"
      ],
      "luminance": 0.0965,
      "contrast": {
        "black": 2.93,
        "white": 7.17
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF"
        ]
      },
      "url": null
    },
    {
      "role": "surface",
      "hex": "#4E6A60",
      "slug": null,
      "name": "#4E6A60",
      "rgb": [
        78,
        106,
        96
      ],
      "hsl": [
        159,
        15,
        36
      ],
      "cmyk": [
        26,
        0,
        9,
        58
      ],
      "family": "green",
      "temperature": "cool",
      "tone": [
        "muted",
        "earth-tone"
      ],
      "luminance": 0.1277,
      "contrast": {
        "black": 3.55,
        "white": 5.91
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "url": null
    },
    {
      "role": "background",
      "hex": "#4E586A",
      "slug": null,
      "name": "#4E586A",
      "rgb": [
        78,
        88,
        106
      ],
      "hsl": [
        219,
        15,
        36
      ],
      "cmyk": [
        26,
        17,
        0,
        58
      ],
      "family": "blue",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.0964,
      "contrast": {
        "black": 2.93,
        "white": 7.17
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": [
          "#FFFFFF"
        ]
      },
      "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": "#4F666A",
      "name": "Storm Blue"
    },
    {
      "role": "secondary",
      "hex": "#6A524E",
      "name": "#6A524E"
    },
    {
      "role": "surface",
      "hex": "#4E6A60",
      "name": "#4E6A60"
    },
    {
      "role": "background",
      "hex": "#4E586A",
      "name": "#4E586A"
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "name": "White"
    }
  ],
  "accessibility": [
    {
      "role": "primary",
      "hex": "#4F666A",
      "name": "Storm Blue",
      "blackContrast": 3.44,
      "whiteContrast": 6.1,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "secondary",
      "hex": "#6A524E",
      "name": "#6A524E",
      "blackContrast": 2.93,
      "whiteContrast": 7.17,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF"
      ]
    },
    {
      "role": "surface",
      "hex": "#4E6A60",
      "name": "#4E6A60",
      "blackContrast": 3.55,
      "whiteContrast": 5.91,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": []
    },
    {
      "role": "background",
      "hex": "#4E586A",
      "name": "#4E586A",
      "blackContrast": 2.93,
      "whiteContrast": 7.17,
      "bestTextColor": "#FFFFFF",
      "aaTextOptions": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "aaaTextOptions": [
        "#FFFFFF"
      ]
    },
    {
      "role": "accent",
      "hex": "#FFFFFF",
      "name": "White",
      "blackContrast": 21,
      "whiteContrast": 1,
      "bestTextColor": "#000000",
      "aaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ],
      "aaaTextOptions": [
        "#000000",
        "#1A1A1A",
        "#36454F"
      ]
    }
  ],
  "cssVariables": "--palette-storm-blue-primary: #4F666A;\n--palette-storm-blue-secondary: #6A524E;\n--palette-storm-blue-surface: #4E6A60;\n--palette-storm-blue-background: #4E586A;\n--palette-storm-blue-accent: #FFFFFF;",
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/palettes/storm-blue.json",
    "https://www.colorsencyclopedia.com/api/palettes.json",
    "https://www.colorsencyclopedia.com/api/colors/storm-blue.json"
  ],
  "url": "https://www.colorsencyclopedia.com/palettes/storm-blue/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/palettes/storm-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.Storm Blue Palette JSONOpen the machine-readable palette dataset.Storm 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.Muted colorsExplore muted colors used in palette systems.Earth Tone colorsExplore earth tone colors used in palette systems.Light colorsExplore light colors used in palette systems.Neutral colorsExplore neutral colors used in palette systems.