CSS utility

Cinnabar CSS Utilities

Cinnabar CSS utilities provide reusable variables and utility classes for #E44D2E. 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 #E44D2E WCAG

Preview Cinnabar #E44D2E

Utility Classes

Background.bg-cinnabar

Text.text-cinnabar

Border.border-cinnabar

Surface.surface-cinnabar

CSS Snippet

:root {
  --color-cinnabar: #E44D2E;
  --color-cinnabar-rgb: 228 77 46;
  --color-cinnabar-contrast: #111827;
}

.bg-cinnabar { background-color: var(--color-cinnabar); }
.text-cinnabar { color: var(--color-cinnabar); }
.border-cinnabar { border-color: var(--color-cinnabar); }
.surface-cinnabar {
  background-color: var(--color-cinnabar);
  color: var(--color-cinnabar-contrast);
  border: 1px solid color-mix(in srgb, var(--color-cinnabar), #111827 18%);
}
.shadow-cinnabar { box-shadow: 0 18px 40px rgb(var(--color-cinnabar-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 contrast5.4:1

White contrast3.89:1

RGB token228 77 46

Luminance0.22

Black text5.4:1AA Pass

White text3.89:1AA 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-cinnabar: #E44D2E;",
  "rgb": "--color-cinnabar-rgb: 228 77 46;",
  "contrast": "--color-cinnabar-contrast: #111827;"
}

Utility classes

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

Accessibility

{
  "bestTextColor": "#111827",
  "contrast": {
    "black": 5.4,
    "white": 3.89
  },
  "wcag": {
    "AA": [
      "#000000"
    ],
    "AAA": []
  }
}

Implementation

{
  "useCases": [
    "CSS variables",
    "utility classes",
    "design system tokens",
    "UI surface styling",
    "accessible text pairing"
  ],
  "cssSnippet": ":root {\n  --color-cinnabar: #E44D2E;\n  --color-cinnabar-rgb: 228 77 46;\n  --color-cinnabar-contrast: #111827;\n}\n\n.bg-cinnabar { background-color: var(--color-cinnabar); }\n.text-cinnabar { color: var(--color-cinnabar); }\n.border-cinnabar { border-color: var(--color-cinnabar); }\n.surface-cinnabar {\n  background-color: var(--color-cinnabar);\n  color: var(--color-cinnabar-contrast);\n  border: 1px solid color-mix(in srgb, var(--color-cinnabar), #111827 18%);\n}\n.shadow-cinnabar { box-shadow: 0 18px 40px rgb(var(--color-cinnabar-rgb) / 28%); }"
}

Related endpoints

[
  "https://www.colorsencyclopedia.com/api/css/colors/cinnabar.json",
  "https://www.colorsencyclopedia.com/api/colors/cinnabar.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "cinnabar",
  "name": "Cinnabar",
  "hex": "#E44D2E",
  "rgb": [
    228,
    77,
    46
  ],
  "hsl": [
    10,
    77,
    54
  ],
  "cmyk": [
    0,
    66,
    80,
    11
  ],
  "luminance": 0.22,
  "contrast": {
    "black": 5.4,
    "white": 3.89
  },
  "wcag": {
    "AA": [
      "#000000"
    ],
    "AAA": []
  },
  "family": "red",
  "temperature": "warm",
  "tone": [
    "vibrant"
  ],
  "bestTextColor": "#111827",
  "cssVariables": {
    "color": "--color-cinnabar: #E44D2E;",
    "rgb": "--color-cinnabar-rgb: 228 77 46;",
    "contrast": "--color-cinnabar-contrast: #111827;"
  },
  "utilityClasses": {
    "background": ".bg-cinnabar",
    "text": ".text-cinnabar",
    "border": ".border-cinnabar",
    "surface": ".surface-cinnabar",
    "shadow": ".shadow-cinnabar"
  },
  "cssSnippet": ":root {\n  --color-cinnabar: #E44D2E;\n  --color-cinnabar-rgb: 228 77 46;\n  --color-cinnabar-contrast: #111827;\n}\n\n.bg-cinnabar { background-color: var(--color-cinnabar); }\n.text-cinnabar { color: var(--color-cinnabar); }\n.border-cinnabar { border-color: var(--color-cinnabar); }\n.surface-cinnabar {\n  background-color: var(--color-cinnabar);\n  color: var(--color-cinnabar-contrast);\n  border: 1px solid color-mix(in srgb, var(--color-cinnabar), #111827 18%);\n}\n.shadow-cinnabar { box-shadow: 0 18px 40px rgb(var(--color-cinnabar-rgb) / 28%); }",
  "useCases": [
    "CSS variables",
    "utility classes",
    "design system tokens",
    "UI surface styling",
    "accessible text pairing"
  ],
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/css/colors/cinnabar.json",
    "https://www.colorsencyclopedia.com/api/colors/cinnabar.json"
  ],
  "url": "https://www.colorsencyclopedia.com/css/colors/cinnabar/",
  "colorUrl": "https://www.colorsencyclopedia.com/colors/cinnabar/",
  "hexUrl": "https://www.colorsencyclopedia.com/hex/e44d2e/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/css/colors/cinnabar.json"
}

Cinnabar CSS Utilities

Utility Classes

CSS Snippet

Usage Examples

Implementation Notes

Machine-Readable Cinnabar CSS Utilities (JSON)

Related CSS Color Guides