Granite Black

CSS

:root {
  --granite-black: #313238;
  --granite-black-rgb: 49 50 56;
  --granite-black-oklch: oklch(0.319 0.011 278.2);
}

.element {
  color: var(--granite-black);
  background-color: hsl(231 7% 21%);
  border-color: oklch(0.319 0.011 278.2);
}

Tailwind CSS v4

@theme {
  --color-granite-black: #313238;
  --color-granite-black-50: #f4f5f8;
  --color-granite-black-100: #e7e7eb;
  --color-granite-black-200: #d3d4d9;
  --color-granite-black-300: #b6b7bd;
  --color-granite-black-400: #9d9ea5;
  --color-granite-black-500: #84868d;
  --color-granite-black-600: #707178;
  --color-granite-black-700: #595a60;
  --color-granite-black-800: #414246;
  --color-granite-black-900: #2d2e31;
  --color-granite-black-950: #1a1a1d;
}

SCSS

$granite-black: #313238;
$granite-black-rgb: 49, 50, 56;
$granite-black-light: mix(#fff, $granite-black, 20%);
$granite-black-dark: mix(#000, $granite-black, 20%);

.element {
  color: $granite-black;
  box-shadow: 0 0 0 2px rgba($granite-black, 0.35);
}