Colors Encyclopedia

Named color

Deep Sky Blue

Deep Sky Blue color #00BFFF: RGB 0, 191, 255 and HSL 195°, 100%, 50%. Explore its cool blue profile, contrast, CSS, palettes and harmonies.

#00BFFF blue cool vibrant
HEX #00BFFF
RGB rgb(0, 191, 255)
HSL hsl(195 100% 50%)
CMYK cmyk(100, 25, 0, 0)
Luminance 0.4448
Contrast Black 9.9:1White 2.12:1

Use this color

Create with Deep Sky Blue

Open a professional color tool with #00BFFF 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 Deep Sky Blue 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-deep-sky-blue: #00BFFF;
.bg-deep-sky-blue { background-color: #00BFFF; }
.text-deep-sky-blue { color: #00BFFF; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Deep Sky Blue Color

Deep Sky Blue uses HEX #00BFFF, RGB 0, 191, 255, and HSL 195°, 100%, 50%. The dataset classifies it in the blue family with cool temperature and vibrant visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.4448; black contrast is 9.9:1 and white contrast is 2.12:1, making black the stronger of those two standard foreground choices.

WCAG Accessibility

Contrast checks for Deep Sky Blue against black and white text.

Black text9.9:1AA Pass
White text2.12:1AA Fail
AA text options#000000, #1A1A1A, #36454F
AAA text options#000000, #1A1A1A
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Downloadable color reference infographic

Deep Sky Blue Color Reference Infographic

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

1200 × 800
Deep Sky Blue color reference infographic showing #00BFFF, RGB and HSL values, a coordinated palette, and black and white text contrast.
Deep Sky Blue color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#FF4000#FF4000#00FFBF#00FFBF#0040FF#0040FF#FF00BF#FF00BF#BFFF00#BFFF00
Open full Deep Sky Blue harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#5CD6FF#5CD6FF#007AA3#007AA3Deep Sky Blue#00BFFF#1CB1E3#1CB1E3#89DAF5#89DAF5#29C9FF#29C9FF

Pairings

Black#000000#FF4000#FF4000#00FFBF#00FFBF#0040FF#0040FFMatte 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
Luminance0.4448
Black text9.9:1AA Pass
White text2.12:1AA 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": "#00BFFF",
  "rgb": [
    0,
    191,
    255
  ],
  "hsl": [
    195,
    100,
    50
  ],
  "cmyk": [
    100,
    25,
    0,
    0
  ],
  "luminance": 0.4448,
  "contrast": {
    "black": 9.9,
    "white": 2.12
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#1A1A1A",
    "#36454F"
  ],
  "AAA": [
    "#000000",
    "#1A1A1A"
  ]
}
Harmonies
{
  "complementary": "#FF4000",
  "analogous": [
    "#00FFBF",
    "#0040FF"
  ],
  "triadic": [
    "#FF00BF",
    "#BFFF00"
  ],
  "tetradic": [
    "#BF00FF",
    "#FF4000",
    "#40FF00"
  ],
  "splitComplementary": [
    "#FF0040",
    "#FFBF00"
  ],
  "monochromatic": [
    "#5CD6FF",
    "#00BFFF",
    "#007AA3"
  ]
}
Variants
{
  "light": "#5CD6FF",
  "dark": "#007AA3",
  "saturated": "#00BFFF",
  "desaturated": "#1CB1E3",
  "pastel": "#89DAF5",
  "neon": "#29C9FF"
}
Pairings
{
  "best": [
    "#000000",
    "#FF4000",
    "#00FFBF",
    "#0040FF"
  ],
  "avoid": [
    "#1CB1E3",
    "#5CD6FF"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#5CD6FF",
    "#1CB1E3"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "dark-turquoise",
    "robin-egg-blue",
    "dodger-blue",
    "aqua",
    "cyan"
  ],
  "generatedPalettes": [
    "deep-sky-blue"
  ],
  "generatedComparisons": [
    "aqua-vs-deep-sky-blue",
    "cyan-vs-deep-sky-blue",
    "dark-turquoise-vs-deep-sky-blue",
    "deep-sky-blue-vs-robin-egg-blue",
    "dodger-blue-vs-deep-sky-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/deep-sky-blue",
    "/wcag/deep-sky-blue",
    "/css/colors/deep-sky-blue",
    "/hex/00bfff",
    "/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/vibrant"
    ],
    "narrower": [
      "/palettes/deep-sky-blue"
    ],
    "related": [
      "/colors/dark-turquoise",
      "/colors/robin-egg-blue",
      "/colors/dodger-blue",
      "/colors/aqua",
      "/colors/cyan",
      "/compare/aqua-vs-deep-sky-blue",
      "/compare/cyan-vs-deep-sky-blue",
      "/compare/dark-turquoise-vs-deep-sky-blue",
      "/compare/deep-sky-blue-vs-robin-egg-blue",
      "/compare/dodger-blue-vs-deep-sky-blue",
      "/harmonies/deep-sky-blue",
      "/wcag/deep-sky-blue",
      "/css/colors/deep-sky-blue",
      "/hex/00bfff",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "deep-sky-blue",
  "name": "Deep Sky Blue",
  "cssName": "deepskyblue",
  "hex": "#00BFFF",
  "family": "blue",
  "temperature": "cool",
  "tone": [
    "vibrant"
  ],
  "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": [
    "deepskyblue"
  ],
  "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": [
    "blue",
    "cool",
    "vibrant",
    "web-design",
    "css-color-systems",
    "ui-prototyping",
    "context-dependent"
  ],
  "popularity": 67,
  "rgb": [
    0,
    191,
    255
  ],
  "hsl": [
    195,
    100,
    50
  ],
  "cmyk": [
    100,
    25,
    0,
    0
  ],
  "luminance": 0.4448,
  "contrast": {
    "black": 9.9,
    "white": 2.12
  },
  "harmonies": {
    "complementary": "#FF4000",
    "analogous": [
      "#00FFBF",
      "#0040FF"
    ],
    "triadic": [
      "#FF00BF",
      "#BFFF00"
    ],
    "tetradic": [
      "#BF00FF",
      "#FF4000",
      "#40FF00"
    ],
    "splitComplementary": [
      "#FF0040",
      "#FFBF00"
    ],
    "monochromatic": [
      "#5CD6FF",
      "#00BFFF",
      "#007AA3"
    ]
  },
  "variants": {
    "light": "#5CD6FF",
    "dark": "#007AA3",
    "saturated": "#00BFFF",
    "desaturated": "#1CB1E3",
    "pastel": "#89DAF5",
    "neon": "#29C9FF"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "AAA": [
      "#000000",
      "#1A1A1A"
    ]
  },
  "css": {
    "variable": "--color-deep-sky-blue: #00BFFF;",
    "utility": ".bg-deep-sky-blue { background-color: #00BFFF; }",
    "textUtility": ".text-deep-sky-blue { color: #00BFFF; }"
  },
  "nearestColors": [
    "dark-turquoise",
    "robin-egg-blue",
    "dodger-blue",
    "aqua",
    "cyan"
  ],
  "generatedPalettes": [
    "deep-sky-blue"
  ],
  "generatedComparisons": [
    "aqua-vs-deep-sky-blue",
    "cyan-vs-deep-sky-blue",
    "dark-turquoise-vs-deep-sky-blue",
    "deep-sky-blue-vs-robin-egg-blue",
    "dodger-blue-vs-deep-sky-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/deep-sky-blue",
    "/wcag/deep-sky-blue",
    "/css/colors/deep-sky-blue",
    "/hex/00bfff",
    "/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/vibrant"
    ],
    "narrower": [
      "/palettes/deep-sky-blue"
    ],
    "related": [
      "/colors/dark-turquoise",
      "/colors/robin-egg-blue",
      "/colors/dodger-blue",
      "/colors/aqua",
      "/colors/cyan",
      "/compare/aqua-vs-deep-sky-blue",
      "/compare/cyan-vs-deep-sky-blue",
      "/compare/dark-turquoise-vs-deep-sky-blue",
      "/compare/deep-sky-blue-vs-robin-egg-blue",
      "/compare/dodger-blue-vs-deep-sky-blue",
      "/harmonies/deep-sky-blue",
      "/wcag/deep-sky-blue",
      "/css/colors/deep-sky-blue",
      "/hex/00bfff",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#FF4000",
      "#00FFBF",
      "#0040FF"
    ],
    "avoid": [
      "#1CB1E3",
      "#5CD6FF"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#5CD6FF",
      "#1CB1E3"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Dark Turquoise#00CED1
Robin Egg Blue#00CCCC
Dodger Blue#1E90FF
Aqua#00FFFF
Cyan#00FFFF

Related Color Guides

Blue color familyBrowse named blue colors and compare nearby swatches.Cool colorsExplore colors with cool temperature behavior.Vibrant colorsFind colors with vibrant visual character.Deep Sky Blue accessibilityCheck contrast and WCAG text options for #00BFFF.Deep Sky Blue CSS utilitiesUse Deep Sky Blue in CSS variables and utility classes.#00BFFF HEX atlasOpen the permanent HEX atlas record for conversions and variants.Deep Sky Blue paletteOpen the generated palette based on Deep Sky Blue.Deep Sky Blue harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.