Colors Encyclopedia

Named color

Steel Blue

Steel Blue color #4682B4: RGB 70, 130, 180 and HSL 207°, 44%, 49%. Explore its cool blue profile, contrast, CSS, palettes and harmonies.

#4682B4 blue cool balanced
HEX #4682B4
RGB rgb(70, 130, 180)
HSL hsl(207 44% 49%)
CMYK cmyk(61, 28, 0, 29)
Luminance 0.2056
Contrast Black 5.11:1White 4.11:1

Use this color

Create with Steel Blue

Open a professional color tool with #4682B4 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 Steel 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-steel-blue: #4682B4;
.bg-steel-blue { background-color: #4682B4; }
.text-steel-blue { color: #4682B4; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Color meaning and use

About Steel Blue Color

Steel Blue uses HEX #4682B4, RGB 70, 130, 180, and HSL 207°, 44%, 49%. The dataset classifies it in the blue family with cool temperature and balanced visual character.

No separate named-color neighbor is recorded for this entry. Its relative luminance is 0.2056; black contrast is 5.11:1 and white contrast is 4.11:1, making black the stronger of those two standard foreground choices.

WCAG Accessibility

Contrast checks for Steel Blue against black and white text.

Black text5.11:1AA Pass
White text4.11:1AA 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

Steel Blue Color Reference Infographic

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

1200 × 800
Steel Blue color reference infographic showing #4682B4, RGB and HSL values, a coordinated palette, and black and white text contrast.
Steel Blue color reference infographic generated from the verified Colors Encyclopedia dataset.
Download WebPDownload SVGOpen full size

Color Harmonies

#B47746#B47746#46B4AE#46B4AE#464BB4#464BB4#B44682#B44682#82B446#82B446
Open full Steel Blue harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#86AFD0#86AFD0#2C5372#2C5372#2A85CF#2A85CF#618098#618098#A9BFD0#A9BFD0#249CFF#249CFF

Pairings

Black#000000#B47746#B47746#46B4AE#46B4AE#464BB4#464BB4Matte 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
Luminance0.2056
Black text5.11:1AA Pass
White text4.11:1AA 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": "#4682B4",
  "rgb": [
    70,
    130,
    180
  ],
  "hsl": [
    207,
    44,
    49
  ],
  "cmyk": [
    61,
    28,
    0,
    29
  ],
  "luminance": 0.2056,
  "contrast": {
    "black": 5.11,
    "white": 4.11
  }
}
WCAG
{
  "AA": [
    "#000000"
  ],
  "AAA": []
}
Harmonies
{
  "complementary": "#B47746",
  "analogous": [
    "#46B4AE",
    "#464BB4"
  ],
  "triadic": [
    "#B44682",
    "#82B446"
  ],
  "tetradic": [
    "#AE46B4",
    "#B47746",
    "#4BB446"
  ],
  "splitComplementary": [
    "#B4464B",
    "#B4AE46"
  ],
  "monochromatic": [
    "#86AFD0",
    "#4682B4",
    "#2C5372"
  ]
}
Variants
{
  "light": "#86AFD0",
  "dark": "#2C5372",
  "saturated": "#2A85CF",
  "desaturated": "#618098",
  "pastel": "#A9BFD0",
  "neon": "#249CFF"
}
Pairings
{
  "best": [
    "#000000",
    "#B47746",
    "#46B4AE",
    "#464BB4"
  ],
  "avoid": [
    "#618098",
    "#86AFD0"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#86AFD0",
    "#618098"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "tanzanite",
    "cadet-blue",
    "labradorite",
    "verdigris",
    "royal-blue"
  ],
  "generatedPalettes": [
    "steel-blue"
  ],
  "generatedComparisons": [
    "steel-blue-vs-cadet-blue",
    "steel-blue-vs-tanzanite",
    "zircon-blue-vs-steel-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/balanced"
  ],
  "relatedTools": [
    "/harmonies/steel-blue",
    "/wcag/steel-blue",
    "/css/colors/steel-blue",
    "/hex/4682b4",
    "/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/balanced"
    ],
    "narrower": [
      "/palettes/steel-blue"
    ],
    "related": [
      "/colors/tanzanite",
      "/colors/cadet-blue",
      "/colors/labradorite",
      "/colors/verdigris",
      "/colors/royal-blue",
      "/compare/steel-blue-vs-cadet-blue",
      "/compare/steel-blue-vs-tanzanite",
      "/compare/zircon-blue-vs-steel-blue",
      "/harmonies/steel-blue",
      "/wcag/steel-blue",
      "/css/colors/steel-blue",
      "/hex/4682b4",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  }
}
Full JSON dataset 
{
  "slug": "steel-blue",
  "name": "Steel Blue",
  "cssName": "steelblue",
  "hex": "#4682B4",
  "family": "blue",
  "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": [
    "steelblue"
  ],
  "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",
    "balanced",
    "web-design",
    "css-color-systems",
    "ui-prototyping",
    "context-dependent"
  ],
  "popularity": 63,
  "rgb": [
    70,
    130,
    180
  ],
  "hsl": [
    207,
    44,
    49
  ],
  "cmyk": [
    61,
    28,
    0,
    29
  ],
  "luminance": 0.2056,
  "contrast": {
    "black": 5.11,
    "white": 4.11
  },
  "harmonies": {
    "complementary": "#B47746",
    "analogous": [
      "#46B4AE",
      "#464BB4"
    ],
    "triadic": [
      "#B44682",
      "#82B446"
    ],
    "tetradic": [
      "#AE46B4",
      "#B47746",
      "#4BB446"
    ],
    "splitComplementary": [
      "#B4464B",
      "#B4AE46"
    ],
    "monochromatic": [
      "#86AFD0",
      "#4682B4",
      "#2C5372"
    ]
  },
  "variants": {
    "light": "#86AFD0",
    "dark": "#2C5372",
    "saturated": "#2A85CF",
    "desaturated": "#618098",
    "pastel": "#A9BFD0",
    "neon": "#249CFF"
  },
  "wcag": {
    "AA": [
      "#000000"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-steel-blue: #4682B4;",
    "utility": ".bg-steel-blue { background-color: #4682B4; }",
    "textUtility": ".text-steel-blue { color: #4682B4; }"
  },
  "nearestColors": [
    "tanzanite",
    "cadet-blue",
    "labradorite",
    "verdigris",
    "royal-blue"
  ],
  "generatedPalettes": [
    "steel-blue"
  ],
  "generatedComparisons": [
    "steel-blue-vs-cadet-blue",
    "steel-blue-vs-tanzanite",
    "zircon-blue-vs-steel-blue"
  ],
  "relatedFamilies": [
    "/colors/by-family/blue",
    "/colors/by-temperature/cool",
    "/colors/by-tone/balanced"
  ],
  "relatedTools": [
    "/harmonies/steel-blue",
    "/wcag/steel-blue",
    "/css/colors/steel-blue",
    "/hex/4682b4",
    "/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/balanced"
    ],
    "narrower": [
      "/palettes/steel-blue"
    ],
    "related": [
      "/colors/tanzanite",
      "/colors/cadet-blue",
      "/colors/labradorite",
      "/colors/verdigris",
      "/colors/royal-blue",
      "/compare/steel-blue-vs-cadet-blue",
      "/compare/steel-blue-vs-tanzanite",
      "/compare/zircon-blue-vs-steel-blue",
      "/harmonies/steel-blue",
      "/wcag/steel-blue",
      "/css/colors/steel-blue",
      "/hex/4682b4",
      "/tools/css-gradient-generator",
      "/tools/color-palette-generator",
      "/tools/css-color-mixer",
      "/tools/contrast-checker"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#B47746",
      "#46B4AE",
      "#464BB4"
    ],
    "avoid": [
      "#618098",
      "#86AFD0"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#86AFD0",
      "#618098"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Similar Colors

Tanzanite#4D5DAB
Cadet Blue#5F9EA0
Labradorite#607D8B
Verdigris#43B3AE
Royal Blue#4169E1

Related Color Guides

Blue color familyBrowse named blue colors and compare nearby swatches.Cool colorsExplore colors with cool temperature behavior.Balanced colorsFind colors with balanced visual character.Steel Blue accessibilityCheck contrast and WCAG text options for #4682B4.Steel Blue CSS utilitiesUse Steel Blue in CSS variables and utility classes.#4682B4 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Steel Blue paletteOpen the generated palette based on Steel Blue.Steel Blue harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.