CSS utility

Brown CSS Utilities

Brown CSS utilities provide reusable variables and utility classes for #A52A2A. 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 #A52A2A WCAG

Preview Brown #A52A2A

Utility Classes

Background.bg-brown

Text.text-brown

Border.border-brown

Surface.surface-brown

CSS Snippet

:root {
  --color-brown: #A52A2A;
  --color-brown-rgb: 165 42 42;
  --color-brown-contrast: #FFFFFF;
}

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

Black contrast2.96:1

White contrast7.09:1

RGB token165 42 42

Luminance0.0982

Black text2.96:1AA Fail

White text7.09:1AA Pass

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-brown: #A52A2A;",
  "rgb": "--color-brown-rgb: 165 42 42;",
  "contrast": "--color-brown-contrast: #FFFFFF;"
}

Utility classes

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

Accessibility

{
  "bestTextColor": "#FFFFFF",
  "contrast": {
    "black": 2.96,
    "white": 7.09
  },
  "wcag": {
    "AA": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "AAA": [
      "#FFFFFF"
    ]
  }
}

Implementation

{
  "useCases": [
    "CSS variables",
    "utility classes",
    "design system tokens",
    "UI surface styling",
    "accessible text pairing"
  ],
  "cssSnippet": ":root {\n  --color-brown: #A52A2A;\n  --color-brown-rgb: 165 42 42;\n  --color-brown-contrast: #FFFFFF;\n}\n\n.bg-brown { background-color: var(--color-brown); }\n.text-brown { color: var(--color-brown); }\n.border-brown { border-color: var(--color-brown); }\n.surface-brown {\n  background-color: var(--color-brown);\n  color: var(--color-brown-contrast);\n  border: 1px solid color-mix(in srgb, var(--color-brown), #111827 18%);\n}\n.shadow-brown { box-shadow: 0 18px 40px rgb(var(--color-brown-rgb) / 28%); }"
}

Related endpoints

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

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "brown",
  "name": "Brown",
  "hex": "#A52A2A",
  "rgb": [
    165,
    42,
    42
  ],
  "hsl": [
    0,
    59,
    41
  ],
  "cmyk": [
    0,
    75,
    75,
    35
  ],
  "luminance": 0.0982,
  "contrast": {
    "black": 2.96,
    "white": 7.09
  },
  "wcag": {
    "AA": [
      "#FFFFFF",
      "#F5F5F5"
    ],
    "AAA": [
      "#FFFFFF"
    ]
  },
  "family": "red",
  "temperature": "warm",
  "tone": [
    "balanced"
  ],
  "bestTextColor": "#FFFFFF",
  "cssVariables": {
    "color": "--color-brown: #A52A2A;",
    "rgb": "--color-brown-rgb: 165 42 42;",
    "contrast": "--color-brown-contrast: #FFFFFF;"
  },
  "utilityClasses": {
    "background": ".bg-brown",
    "text": ".text-brown",
    "border": ".border-brown",
    "surface": ".surface-brown",
    "shadow": ".shadow-brown"
  },
  "cssSnippet": ":root {\n  --color-brown: #A52A2A;\n  --color-brown-rgb: 165 42 42;\n  --color-brown-contrast: #FFFFFF;\n}\n\n.bg-brown { background-color: var(--color-brown); }\n.text-brown { color: var(--color-brown); }\n.border-brown { border-color: var(--color-brown); }\n.surface-brown {\n  background-color: var(--color-brown);\n  color: var(--color-brown-contrast);\n  border: 1px solid color-mix(in srgb, var(--color-brown), #111827 18%);\n}\n.shadow-brown { box-shadow: 0 18px 40px rgb(var(--color-brown-rgb) / 28%); }",
  "useCases": [
    "CSS variables",
    "utility classes",
    "design system tokens",
    "UI surface styling",
    "accessible text pairing"
  ],
  "relatedEndpoints": [
    "https://www.colorsencyclopedia.com/api/css/colors/brown.json",
    "https://www.colorsencyclopedia.com/api/colors/brown.json"
  ],
  "url": "https://www.colorsencyclopedia.com/css/colors/brown/",
  "colorUrl": "https://www.colorsencyclopedia.com/colors/brown/",
  "hexUrl": "https://www.colorsencyclopedia.com/hex/a52a2a/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/css/colors/brown.json"
}

Brown CSS Utilities

Utility Classes

CSS Snippet

Usage Examples

Implementation Notes

Machine-Readable Brown CSS Utilities (JSON)

Related CSS Color Guides