Colors Encyclopedia

Named color

Cerulean

Cerulean color #007BA7: RGB 0, 123, 167 and HSL 196°, 100%, 33%. Explore its cool blue profile, contrast, CSS, palettes and harmonies.

#007BA7 blue cool jewel-tone
HEX #007BA7
RGB rgb(0, 123, 167)
HSL hsl(196 100% 33%)
CMYK cmyk(100, 26, 0, 35)
Luminance 0.1696
Contrast Black 4.39:1White 4.78:1

Use this color

Create with Cerulean

Open a professional color tool with #007BA7 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 Cerulean 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-cerulean: #007BA7;
.bg-cerulean { background-color: #007BA7; }
.text-cerulean { color: #007BA7; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Cerulean Color

Cerulean uses HEX #007BA7, RGB 0, 123, 167, and HSL 196°, 100%, 33%. The dataset classifies it in the blue family with cool temperature and jewel tone visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.1696; black contrast is 4.39:1 and white contrast is 4.78:1, making white the stronger of those two standard foreground choices.

WCAG Accessibility

Contrast checks for Cerulean against black and white text.

Black text4.39:1AA Fail
White text4.78:1AA Pass
AA text options#FFFFFF
AAA text optionsNone in seed set
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Downloadable color reference infographic

Cerulean Color Reference Infographic

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

1200 × 800
Cerulean color reference infographic showing #007BA7, RGB and HSL values, a coordinated palette, and black and white text contrast.
Cerulean color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#A82D00#A82D00#00A881#00A881#0027A8#0027A8#A8007B#A8007B#7BA800#7BA800
Open full Cerulean harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#05BCFF#05BCFF#00384D#00384D#007BA8#007BA8#137396#137396#39BEEF#39BEEF#0099D1#0099D1

Pairings

White#FFFFFF#A82D00#A82D00#00A881#00A881#0027A8#0027A8Matte 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
Luminance0.1696
Black text4.39:1AA Fail
White text4.78:1AA Pass
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": "#007BA7",
  "rgb": [
    0,
    123,
    167
  ],
  "hsl": [
    196,
    100,
    33
  ],
  "cmyk": [
    100,
    26,
    0,
    35
  ],
  "luminance": 0.1696,
  "contrast": {
    "black": 4.39,
    "white": 4.78
  }
}
WCAG
{
  "AA": [
    "#FFFFFF"
  ],
  "AAA": []
}
Harmonies
{
  "complementary": "#A82D00",
  "analogous": [
    "#00A881",
    "#0027A8"
  ],
  "triadic": [
    "#A8007B",
    "#7BA800"
  ],
  "tetradic": [
    "#8100A8",
    "#A82D00",
    "#27A800"
  ],
  "splitComplementary": [
    "#A80027",
    "#A88100"
  ],
  "monochromatic": [
    "#05BCFF",
    "#007BA7",
    "#00384D"
  ]
}
Variants
{
  "light": "#05BCFF",
  "dark": "#00384D",
  "saturated": "#007BA8",
  "desaturated": "#137396",
  "pastel": "#39BEEF",
  "neon": "#0099D1"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#A82D00",
    "#00A881",
    "#0027A8"
  ],
  "avoid": [
    "#137396",
    "#05BCFF"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#05BCFF",
    "#137396"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "safety-blue",
    "enamel-blue",
    "ocean-blue",
    "sea-blue",
    "dark-cyan"
  ],
  "generatedPalettes": [
    "cerulean"
  ],
  "generatedComparisons": [
    "cerulean-vs-enamel-blue",
    "cerulean-vs-safety-blue",
    "ocean-blue-vs-cerulean"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/jewel-tone"
  ],
  "relatedTools": [
    "/harmonies/cerulean",
    "/wcag/cerulean",
    "/css/colors/cerulean",
    "/hex/007ba7",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/blue",
      "/colors/by-temperature/cool",
      "/colors/by-tone/jewel-tone"
    ],
    "narrower": [
      "/palettes/cerulean"
    ],
    "related": [
      "/colors/safety-blue",
      "/colors/enamel-blue",
      "/colors/ocean-blue",
      "/colors/sea-blue",
      "/colors/dark-cyan",
      "/compare/cerulean-vs-enamel-blue",
      "/compare/cerulean-vs-safety-blue",
      "/compare/ocean-blue-vs-cerulean",
      "/harmonies/cerulean",
      "/wcag/cerulean",
      "/css/colors/cerulean",
      "/hex/007ba7",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "cerulean",
  "name": "Cerulean",
  "hex": "#007BA7",
  "uses": [
    "interfaces",
    "brand systems",
    "technical design"
  ],
  "psychology": {
    "associations": [
      "trust",
      "clarity",
      "calm"
    ],
    "contexts": [
      "technology",
      "finance",
      "healthcare",
      "navigation"
    ],
    "avoidIn": [
      "high-warmth food palettes"
    ]
  },
  "aliases": [],
  "sourceType": "curated",
  "confidence": "medium",
  "reviewStatus": "manual",
  "sourceUrl": "https://www.colorsencyclopedia.com/assets/colors.json",
  "origin": {
    "type": "common",
    "notes": "Curated common color reference used in design and editorial color systems."
  },
  "family": "blue",
  "temperature": "cool",
  "tone": [
    "jewel-tone"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "blue",
    "cool",
    "jewel-tone",
    "interfaces",
    "brand-systems",
    "technical-design",
    "trust",
    "clarity",
    "calm"
  ],
  "popularity": 84,
  "rgb": [
    0,
    123,
    167
  ],
  "hsl": [
    196,
    100,
    33
  ],
  "cmyk": [
    100,
    26,
    0,
    35
  ],
  "luminance": 0.1696,
  "contrast": {
    "black": 4.39,
    "white": 4.78
  },
  "harmonies": {
    "complementary": "#A82D00",
    "analogous": [
      "#00A881",
      "#0027A8"
    ],
    "triadic": [
      "#A8007B",
      "#7BA800"
    ],
    "tetradic": [
      "#8100A8",
      "#A82D00",
      "#27A800"
    ],
    "splitComplementary": [
      "#A80027",
      "#A88100"
    ],
    "monochromatic": [
      "#05BCFF",
      "#007BA7",
      "#00384D"
    ]
  },
  "variants": {
    "light": "#05BCFF",
    "dark": "#00384D",
    "saturated": "#007BA8",
    "desaturated": "#137396",
    "pastel": "#39BEEF",
    "neon": "#0099D1"
  },
  "wcag": {
    "AA": [
      "#FFFFFF"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-cerulean: #007BA7;",
    "utility": ".bg-cerulean { background-color: #007BA7; }",
    "textUtility": ".text-cerulean { color: #007BA7; }"
  },
  "nearestColors": [
    "safety-blue",
    "enamel-blue",
    "ocean-blue",
    "sea-blue",
    "dark-cyan"
  ],
  "generatedPalettes": [
    "cerulean"
  ],
  "generatedComparisons": [
    "cerulean-vs-enamel-blue",
    "cerulean-vs-safety-blue",
    "ocean-blue-vs-cerulean"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/jewel-tone"
  ],
  "relatedTools": [
    "/harmonies/cerulean",
    "/wcag/cerulean",
    "/css/colors/cerulean",
    "/hex/007ba7",
    "/tools/css-gradient-generator",
    "/tools/color-palette-generator",
    "/tools/css-color-mixer",
    "/tools/contrast-checker"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/blue",
      "/colors/by-temperature/cool",
      "/colors/by-tone/jewel-tone"
    ],
    "narrower": [
      "/palettes/cerulean"
    ],
    "related": [
      "/colors/safety-blue",
      "/colors/enamel-blue",
      "/colors/ocean-blue",
      "/colors/sea-blue",
      "/colors/dark-cyan",
      "/compare/cerulean-vs-enamel-blue",
      "/compare/cerulean-vs-safety-blue",
      "/compare/ocean-blue-vs-cerulean",
      "/harmonies/cerulean",
      "/wcag/cerulean",
      "/css/colors/cerulean",
      "/hex/007ba7",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#A82D00",
      "#00A881",
      "#0027A8"
    ],
    "avoid": [
      "#137396",
      "#05BCFF"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#05BCFF",
      "#137396"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Safety Blue#0067A5
Enamel Blue#0067A0
Ocean Blue#0077BE
Sea Blue#006994
Dark Cyan#008B8B

Related Color Guides

Blue color familyBrowse named blue colors and compare nearby swatches.Cool colorsExplore colors with cool temperature behavior.Jewel Tone colorsFind colors with jewel tone visual character.Cerulean accessibilityCheck contrast and WCAG text options for #007BA7.Cerulean CSS utilitiesUse Cerulean in CSS variables and utility classes.#007BA7 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Cerulean paletteOpen the generated palette based on Cerulean.Cerulean harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.