Colors Encyclopedia

Named color

Cornflower Blue

Cornflower Blue color #6495ED: RGB 100, 149, 237 and HSL 219°, 79%, 66%. Explore its cool blue profile, contrast, CSS, palettes and harmonies.

#6495ED blue cool vibrant
HEX #6495ED
RGB rgb(100, 149, 237)
HSL hsl(219 79% 66%)
CMYK cmyk(58, 37, 0, 7)
Luminance 0.3032
Contrast Black 7.06:1White 2.97:1

Use this color

Create with Cornflower Blue

Open a professional color tool with #6495ED 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 Cornflower 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-cornflower-blue: #6495ED;
.bg-cornflower-blue { background-color: #6495ED; }
.text-cornflower-blue { color: #6495ED; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Cornflower Blue Color

Cornflower Blue uses HEX #6495ED, RGB 100, 149, 237, and HSL 219°, 79%, 66%. 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 0.3032; black contrast is 7.06:1 and white contrast is 2.97:1, making black the stronger of those two standard foreground choices.

WCAG Accessibility

Contrast checks for Cornflower Blue against black and white text.

Black text7.06:1AA Pass
White text2.97:1AA Fail
AA text options#000000, #1A1A1A
AAA text options#000000
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Downloadable color reference infographic

Cornflower Blue Color Reference Infographic

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

1200 × 800
Cornflower Blue color reference infographic showing #6495ED, RGB and HSL values, a coordinated palette, and black and white text contrast.
Cornflower Blue color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#EDBD64#EDBD64#64D8ED#64D8ED#7864ED#7864ED#ED6494#ED6494#94ED64#94ED64
Open full Cornflower Blue harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#B6CDF6#B6CDF6#1A5DDB#1A5DDB#528EFF#528EFF#7799DA#7799DA#D9E4F7#D9E4F7#7AA9FF#7AA9FF

Pairings

Black#000000#EDBD64#EDBD64#64D8ED#64D8ED#7864ED#7864EDMatte 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
Luminance0.3032
Black text7.06:1AA Pass
White text2.97:1AA 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": "#6495ED",
  "rgb": [
    100,
    149,
    237
  ],
  "hsl": [
    219,
    79,
    66
  ],
  "cmyk": [
    58,
    37,
    0,
    7
  ],
  "luminance": 0.3032,
  "contrast": {
    "black": 7.06,
    "white": 2.97
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#1A1A1A"
  ],
  "AAA": [
    "#000000"
  ]
}
Harmonies
{
  "complementary": "#EDBD64",
  "analogous": [
    "#64D8ED",
    "#7864ED"
  ],
  "triadic": [
    "#ED6494",
    "#94ED64"
  ],
  "tetradic": [
    "#ED64D8",
    "#EDBD64",
    "#64ED78"
  ],
  "splitComplementary": [
    "#ED7864",
    "#D8ED64"
  ],
  "monochromatic": [
    "#B6CDF6",
    "#6495ED",
    "#1A5DDB"
  ]
}
Variants
{
  "light": "#B6CDF6",
  "dark": "#1A5DDB",
  "saturated": "#528EFF",
  "desaturated": "#7799DA",
  "pastel": "#D9E4F7",
  "neon": "#7AA9FF"
}
Pairings
{
  "best": [
    "#000000",
    "#EDBD64",
    "#64D8ED",
    "#7864ED"
  ],
  "avoid": [
    "#7799DA",
    "#B6CDF6"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#B6CDF6",
    "#7799DA"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "cornflower",
    "glacier-blue",
    "maya-blue",
    "medium-slate-blue",
    "aquamarine-blue"
  ],
  "generatedPalettes": [
    "cornflower-blue"
  ],
  "generatedComparisons": [
    "cornflower-blue-vs-glacier-blue",
    "cornflower-vs-cornflower-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/cornflower-blue",
    "/wcag/cornflower-blue",
    "/css/colors/cornflower-blue",
    "/hex/6495ed",
    "/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/cornflower-blue"
    ],
    "related": [
      "/colors/cornflower",
      "/colors/glacier-blue",
      "/colors/maya-blue",
      "/colors/medium-slate-blue",
      "/colors/aquamarine-blue",
      "/compare/cornflower-blue-vs-glacier-blue",
      "/compare/cornflower-vs-cornflower-blue",
      "/harmonies/cornflower-blue",
      "/wcag/cornflower-blue",
      "/css/colors/cornflower-blue",
      "/hex/6495ed",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "cornflower-blue",
  "name": "Cornflower Blue",
  "cssName": "cornflowerblue",
  "hex": "#6495ED",
  "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": [
    "cornflowerblue"
  ],
  "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": [
    100,
    149,
    237
  ],
  "hsl": [
    219,
    79,
    66
  ],
  "cmyk": [
    58,
    37,
    0,
    7
  ],
  "luminance": 0.3032,
  "contrast": {
    "black": 7.06,
    "white": 2.97
  },
  "harmonies": {
    "complementary": "#EDBD64",
    "analogous": [
      "#64D8ED",
      "#7864ED"
    ],
    "triadic": [
      "#ED6494",
      "#94ED64"
    ],
    "tetradic": [
      "#ED64D8",
      "#EDBD64",
      "#64ED78"
    ],
    "splitComplementary": [
      "#ED7864",
      "#D8ED64"
    ],
    "monochromatic": [
      "#B6CDF6",
      "#6495ED",
      "#1A5DDB"
    ]
  },
  "variants": {
    "light": "#B6CDF6",
    "dark": "#1A5DDB",
    "saturated": "#528EFF",
    "desaturated": "#7799DA",
    "pastel": "#D9E4F7",
    "neon": "#7AA9FF"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A"
    ],
    "AAA": [
      "#000000"
    ]
  },
  "css": {
    "variable": "--color-cornflower-blue: #6495ED;",
    "utility": ".bg-cornflower-blue { background-color: #6495ED; }",
    "textUtility": ".text-cornflower-blue { color: #6495ED; }"
  },
  "nearestColors": [
    "cornflower",
    "glacier-blue",
    "maya-blue",
    "medium-slate-blue",
    "aquamarine-blue"
  ],
  "generatedPalettes": [
    "cornflower-blue"
  ],
  "generatedComparisons": [
    "cornflower-blue-vs-glacier-blue",
    "cornflower-vs-cornflower-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/cornflower-blue",
    "/wcag/cornflower-blue",
    "/css/colors/cornflower-blue",
    "/hex/6495ed",
    "/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/cornflower-blue"
    ],
    "related": [
      "/colors/cornflower",
      "/colors/glacier-blue",
      "/colors/maya-blue",
      "/colors/medium-slate-blue",
      "/colors/aquamarine-blue",
      "/compare/cornflower-blue-vs-glacier-blue",
      "/compare/cornflower-vs-cornflower-blue",
      "/harmonies/cornflower-blue",
      "/wcag/cornflower-blue",
      "/css/colors/cornflower-blue",
      "/hex/6495ed",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#EDBD64",
      "#64D8ED",
      "#7864ED"
    ],
    "avoid": [
      "#7799DA",
      "#B6CDF6"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#B6CDF6",
      "#7799DA"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Cornflower#6A8EDB
Glacier Blue#78B9D2
Maya Blue#73C2FB
Medium Slate Blue#7B68EE
Aquamarine Blue#6BCAE2

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.Cornflower Blue accessibilityCheck contrast and WCAG text options for #6495ED.Cornflower Blue CSS utilitiesUse Cornflower Blue in CSS variables and utility classes.#6495ED HEX atlasOpen the permanent HEX atlas record for conversions and variants.Cornflower Blue paletteOpen the generated palette based on Cornflower Blue.Cornflower Blue harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.