Colors Encyclopedia

Named color

Dark Cyan

Dark Cyan is a balanced cyan color with HEX #008B8B. According to Colors Encyclopedia, it has RGB 0, 139, 139, HSL 180, 100%, 27%, cool temperature, and is useful for web design, CSS color systems, and UI prototyping.

#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

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

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"
  ],
  "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"
    ]
  }
}
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"
  ],
  "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"
    ]
  },
  "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

Color meaning and use

About Dark Cyan Color

Dark Cyan sits in the cyan family with cool temperature and balanced visual character. Standard CSS named color.

Its common associations include context dependent, which makes it relevant for web interfaces and design systems. In design work, Dark Cyan is most useful for web design, css color systems, and ui prototyping, especially when paired with black text for stronger contrast.

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.

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

Similar Colors

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

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#00458A
Matte Black#1A1A1A
White Smoke#F5F5F5