Colors Encyclopedia

Named color

Dark Cyan

Dark Cyan color #008B8B: RGB 0, 139, 139 and HSL 180°, 100%, 27%. Explore its cool cyan profile, contrast, CSS, palettes and harmonies.

#008B8B cyan cool balanced
HEX #008B8B
RGB rgb(0, 139, 139)
HSL hsl(180 100% 27%)
CMYK cmyk(100, 0, 0, 45)
Luminance 0.2033
Contrast Black 5.07:1White 4.15:1

Use this color

Create with Dark Cyan

Open a professional color tool with #008B8B already applied. Each configuration stays canonical to the tool and can be adjusted or shared.

All color tools
Generate palette & CSS variablesCreate 50–950 tokens and export CSS, SCSS, JSON, or Tailwind.Open configured tool →Open in Gradient StudioStart with Dark Cyan and its complementary color.Open configured tool →Mix this colorBlend it with a complementary color and copy color-mix() CSS.Open configured tool →Check contrastOpen the strongest black or white background pairing.Open configured tool →Accessible combinationsReview AA and AAA text options, alternatives, warnings, and UI guidance.Open configured tool →Create glass surfaceUse this color as the tint for a translucent UI panel.Open configured tool →

CSS Utilities

--color-dark-cyan: #008B8B;
.bg-dark-cyan { background-color: #008B8B; }
.text-dark-cyan { color: #008B8B; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Dark Cyan Color

Dark Cyan uses HEX #008B8B, RGB 0, 139, 139, and HSL 180°, 100%, 27%. The dataset classifies it in the cyan family with cool temperature and balanced visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.2033; black contrast is 5.07:1 and white contrast is 4.15:1, making black the stronger of those two standard foreground choices.

WCAG Accessibility

Contrast checks for Dark Cyan against black and white text.

Black text5.07:1AA Pass
White text4.15:1AA Fail
AA text options#000000
AAA text optionsNone in seed set
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Downloadable color reference infographic

Dark Cyan Color Reference Infographic

Save a high-resolution infographic of Dark Cyan, including its color values, coordinated palette, and black and white text contrast.

1200 × 800
Dark Cyan color reference infographic showing #008B8B, RGB and HSL values, a coordinated palette, and black and white text contrast.
Dark Cyan color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#8A0000#8A0000#008A45#008A45#00458A#00458A#8A008A#8A008A#8A8A00#8A8A00
Open full Dark Cyan harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#00E5E6#00E5E6#002E2E#002E2E#008A8A#008A8A#0F7B7B#0F7B7B#1DEDED#1DEDED#00B2B3#00B2B3

Pairings

Black#000000#8A0000#8A0000#008A45#008A45#00458A#00458AMatte Black#1A1A1AWhite Smoke#F5F5F5

Machine-readable data

Machine-Readable Color Data (JSON)

Perfect for CSS, design systems, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.2033
Black text5.07:1AA Pass
White text4.15:1AA Fail
hexCanonical HEX value
rgbRed, green, blue channels
hslHue, saturation, lightness
cmykApproximate print conversion
wcagAA and AAA contrast options
harmoniesMathematical harmony sets
variantsGenerated tone variants
nearestColorsKnowledge graph neighbors
Download JSON Open API
Structured sections
Color systems
{
  "hex": "#008B8B",
  "rgb": [
    0,
    139,
    139
  ],
  "hsl": [
    180,
    100,
    27
  ],
  "cmyk": [
    100,
    0,
    0,
    45
  ],
  "luminance": 0.2033,
  "contrast": {
    "black": 5.07,
    "white": 4.15
  }
}
WCAG
{
  "AA": [
    "#000000"
  ],
  "AAA": []
}
Harmonies
{
  "complementary": "#8A0000",
  "analogous": [
    "#008A45",
    "#00458A"
  ],
  "triadic": [
    "#8A008A",
    "#8A8A00"
  ],
  "tetradic": [
    "#45008A",
    "#8A0000",
    "#458A00"
  ],
  "splitComplementary": [
    "#8A0045",
    "#8A4500"
  ],
  "monochromatic": [
    "#00E5E6",
    "#008B8B",
    "#002E2E"
  ]
}
Variants
{
  "light": "#00E5E6",
  "dark": "#002E2E",
  "saturated": "#008A8A",
  "desaturated": "#0F7B7B",
  "pastel": "#1DEDED",
  "neon": "#00B2B3"
}
Pairings
{
  "best": [
    "#000000",
    "#8A0000",
    "#008A45",
    "#00458A"
  ],
  "avoid": [
    "#0F7B7B",
    "#00E5E6"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#00E5E6",
    "#0F7B7B"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "peacock-teal",
    "teal",
    "persian-green",
    "cerulean",
    "pine-green"
  ],
  "generatedPalettes": [
    "dark-cyan"
  ],
  "generatedComparisons": [
    "dark-cyan-vs-peacock-teal",
    "dark-cyan-vs-teal",
    "persian-green-vs-dark-cyan"
  ],
  "relatedFamilies": [
    "/colors/by-family/cyan",
    "/colors/by-temperature/cool",
    "/colors/by-tone/balanced"
  ],
  "relatedTools": [
    "/harmonies/dark-cyan",
    "/wcag/dark-cyan",
    "/css/colors/dark-cyan",
    "/hex/008b8b",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/cyan",
      "/colors/by-temperature/cool",
      "/colors/by-tone/balanced"
    ],
    "narrower": [
      "/palettes/dark-cyan"
    ],
    "related": [
      "/colors/peacock-teal",
      "/colors/teal",
      "/colors/persian-green",
      "/colors/cerulean",
      "/colors/pine-green",
      "/compare/dark-cyan-vs-peacock-teal",
      "/compare/dark-cyan-vs-teal",
      "/compare/persian-green-vs-dark-cyan",
      "/harmonies/dark-cyan",
      "/wcag/dark-cyan",
      "/css/colors/dark-cyan",
      "/hex/008b8b",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "dark-cyan",
  "name": "Dark Cyan",
  "cssName": "darkcyan",
  "hex": "#008B8B",
  "family": "cyan",
  "temperature": "cool",
  "tone": [
    "balanced"
  ],
  "uses": [
    "web design",
    "CSS color systems",
    "UI prototyping"
  ],
  "psychology": {
    "associations": [
      "context dependent"
    ],
    "contexts": [
      "web interfaces",
      "design systems",
      "technical color references"
    ],
    "avoidIn": [
      "claims that require brand or cultural specificity"
    ]
  },
  "aliases": [
    "darkcyan"
  ],
  "sourceType": "standard",
  "confidence": "high",
  "sourceUrl": "https://www.w3.org/TR/css-color-4/#named-colors",
  "origin": {
    "type": "css",
    "notes": "Standard CSS named color."
  },
  "reviewStatus": "auto",
  "editorialNotes": "Generated from CSS named color data and computed color-system properties.",
  "tags": [
    "cyan",
    "cool",
    "balanced",
    "web-design",
    "css-color-systems",
    "ui-prototyping",
    "context-dependent"
  ],
  "popularity": 63,
  "rgb": [
    0,
    139,
    139
  ],
  "hsl": [
    180,
    100,
    27
  ],
  "cmyk": [
    100,
    0,
    0,
    45
  ],
  "luminance": 0.2033,
  "contrast": {
    "black": 5.07,
    "white": 4.15
  },
  "harmonies": {
    "complementary": "#8A0000",
    "analogous": [
      "#008A45",
      "#00458A"
    ],
    "triadic": [
      "#8A008A",
      "#8A8A00"
    ],
    "tetradic": [
      "#45008A",
      "#8A0000",
      "#458A00"
    ],
    "splitComplementary": [
      "#8A0045",
      "#8A4500"
    ],
    "monochromatic": [
      "#00E5E6",
      "#008B8B",
      "#002E2E"
    ]
  },
  "variants": {
    "light": "#00E5E6",
    "dark": "#002E2E",
    "saturated": "#008A8A",
    "desaturated": "#0F7B7B",
    "pastel": "#1DEDED",
    "neon": "#00B2B3"
  },
  "wcag": {
    "AA": [
      "#000000"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-dark-cyan: #008B8B;",
    "utility": ".bg-dark-cyan { background-color: #008B8B; }",
    "textUtility": ".text-dark-cyan { color: #008B8B; }"
  },
  "nearestColors": [
    "peacock-teal",
    "teal",
    "persian-green",
    "cerulean",
    "pine-green"
  ],
  "generatedPalettes": [
    "dark-cyan"
  ],
  "generatedComparisons": [
    "dark-cyan-vs-peacock-teal",
    "dark-cyan-vs-teal",
    "persian-green-vs-dark-cyan"
  ],
  "relatedFamilies": [
    "/colors/by-family/cyan",
    "/colors/by-temperature/cool",
    "/colors/by-tone/balanced"
  ],
  "relatedTools": [
    "/harmonies/dark-cyan",
    "/wcag/dark-cyan",
    "/css/colors/dark-cyan",
    "/hex/008b8b",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/cyan",
      "/colors/by-temperature/cool",
      "/colors/by-tone/balanced"
    ],
    "narrower": [
      "/palettes/dark-cyan"
    ],
    "related": [
      "/colors/peacock-teal",
      "/colors/teal",
      "/colors/persian-green",
      "/colors/cerulean",
      "/colors/pine-green",
      "/compare/dark-cyan-vs-peacock-teal",
      "/compare/dark-cyan-vs-teal",
      "/compare/persian-green-vs-dark-cyan",
      "/harmonies/dark-cyan",
      "/wcag/dark-cyan",
      "/css/colors/dark-cyan",
      "/hex/008b8b",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#8A0000",
      "#008A45",
      "#00458A"
    ],
    "avoid": [
      "#0F7B7B",
      "#00E5E6"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#00E5E6",
      "#0F7B7B"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Peacock Teal#00827F
Teal#008080
Persian Green#00A693
Cerulean#007BA7
Pine Green#01796F

Related Color Guides

Cyan color familyBrowse named cyan colors and compare nearby swatches.Cool colorsExplore colors with cool temperature behavior.Balanced colorsFind colors with balanced visual character.Dark Cyan accessibilityCheck contrast and WCAG text options for #008B8B.Dark Cyan CSS utilitiesUse Dark Cyan in CSS variables and utility classes.#008B8B HEX atlasOpen the permanent HEX atlas record for conversions and variants.Dark Cyan paletteOpen the generated palette based on Dark Cyan.Dark Cyan harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.