CSS utility

Steel Blue CSS Utilities

Steel Blue CSS utilities provide reusable variables and utility classes for #4682B4. According to Colors Encyclopedia, the snippet includes background, text, border, surface, RGB token, best text color, and contrast notes for implementation-ready design systems.

Color page #4682B4 WCAG

Preview Steel Blue #4682B4

Utility Classes

Background.bg-steel-blue

Text.text-steel-blue

Border.border-steel-blue

Surface.surface-steel-blue

CSS Snippet

:root {
  --color-steel-blue: #4682B4;
  --color-steel-blue-rgb: 70 130 180;
  --color-steel-blue-contrast: #111827;
}

.bg-steel-blue { background-color: var(--color-steel-blue); }
.text-steel-blue { color: var(--color-steel-blue); }
.border-steel-blue { border-color: var(--color-steel-blue); }
.surface-steel-blue {
  background-color: var(--color-steel-blue);
  color: var(--color-steel-blue-contrast);
  border: 1px solid color-mix(in srgb, var(--color-steel-blue), #111827 18%);
}
.shadow-steel-blue { box-shadow: 0 18px 40px rgb(var(--color-steel-blue-rgb) / 28%); }

Usage Examples

Surface cardUse for panels, labels, badges, and interface accents.

Border accentUse as a soft divider or outline color.

Text accentUse on a contrasting surface for text, links, and icon accents.

Implementation Notes

Best text color#111827

Black contrast5.11:1

White contrast4.11:1

RGB token70 130 180

Luminance0.2056

Black text5.11:1AA Pass

White text4.11:1AA Fail

cssVariablesReusable CSS custom properties

utilityClassesBackground, text, border, surface, and shadow classes

bestTextColorAccessible default foreground token

contrastBlack and white contrast ratios

wcagAA and AAA text color options

relatedEndpointsLinked machine-readable resources

Structured sections

CSS variables

{
  "color": "--color-steel-blue: #4682B4;",
  "rgb": "--color-steel-blue-rgb: 70 130 180;",
  "contrast": "--color-steel-blue-contrast: #111827;"
}

Utility classes

{
  "background": ".bg-steel-blue",
  "text": ".text-steel-blue",
  "border": ".border-steel-blue",
  "surface": ".surface-steel-blue",
  "shadow": ".shadow-steel-blue"
}

Accessibility

{
  "bestTextColor": "#111827",
  "contrast": {
    "black": 5.11,
    "white": 4.11
  },
  "wcag": {
    "AA": [
      "#000000"
    ],
    "AAA": []
  }
}

Implementation

{
  "useCases": [
    "CSS variables",
    "utility classes",
    "design system tokens",
    "UI surface styling",
    "accessible text pairing"
  ],
  "cssSnippet": ":root {\n  --color-steel-blue: #4682B4;\n  --color-steel-blue-rgb: 70 130 180;\n  --color-steel-blue-contrast: #111827;\n}\n\n.bg-steel-blue { background-color: var(--color-steel-blue); }\n.text-steel-blue { color: var(--color-steel-blue); }\n.border-steel-blue { border-color: var(--color-steel-blue); }\n.surface-steel-blue {\n  background-color: var(--color-steel-blue);\n  color: var(--color-steel-blue-contrast);\n  border: 1px solid color-mix(in srgb, var(--color-steel-blue), #111827 18%);\n}\n.shadow-steel-blue { box-shadow: 0 18px 40px rgb(var(--color-steel-blue-rgb) / 28%); }"
}

Related endpoints

[
  "https://www.colorsencyclopedia.com/api/css/colors/steel-blue.json",
  "https://www.colorsencyclopedia.com/api/colors/steel-blue.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "steel-blue",
  "name": "Steel Blue",
  "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": []
  },
  "family": "blue",
  "temperature": "cool",
  "tone": [
    "balanced"
  ],
  "bestTextColor": "#111827",
  "cssVariables": {
    "color": "--color-steel-blue: #4682B4;",
    "rgb": "--color-steel-blue-rgb: 70 130 180;",
    "contrast": "--color-steel-blue-contrast: #111827;"
  },
  "utilityClasses": {
    "background": ".bg-steel-blue",
    "text": ".text-steel-blue",
    "border": ".border-steel-blue",
    "surface": ".surface-steel-blue",
    "shadow": ".shadow-steel-blue"
  },
  "cssSnippet": ":root {\n  --color-steel-blue: #4682B4;\n  --color-steel-blue-rgb: 70 130 180;\n  --color-steel-blue-contrast: #111827;\n}\n\n.bg-steel-blue { background-color: var(--color-steel-blue); }\n.text-steel-blue { color: var(--color-steel-blue); }\n.border-steel-blue { border-color: var(--color-steel-blue); }\n.surface-steel-blue {\n  background-color: var(--color-steel-blue);\n  color: var(--color-steel-blue-contrast);\n  border: 1px solid color-mix(in srgb, var(--color-steel-blue), #111827 18%);\n}\n.shadow-steel-blue { box-shadow: 0 18px 40px rgb(var(--color-steel-blue-rgb) / 28%); }",
  "useCases": [
    "CSS variables",
    "utility classes",
    "design system tokens",
    "UI surface styling",
    "accessible text pairing"
  ],
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/css/colors/steel-blue.json",
    "https://www.colorsencyclopedia.com/api/colors/steel-blue.json"
  ],
  "url": "https://www.colorsencyclopedia.com/css/colors/steel-blue/",
  "colorUrl": "https://www.colorsencyclopedia.com/colors/steel-blue/",
  "hexUrl": "https://www.colorsencyclopedia.com/hex/4682b4/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/css/colors/steel-blue.json"
}

Steel Blue CSS Utilities

Utility Classes

CSS Snippet

Usage Examples

Implementation Notes

Machine-Readable Steel Blue CSS Utilities (JSON)

Related CSS Color Guides