Coarse Wool

CSS

:root {
  --coarse-wool: #181b26;
  --coarse-wool-rgb: 24 27 38;
  --coarse-wool-oklch: oklch(0.224 0.022 272.7);
}

.element {
  color: var(--coarse-wool);
  background-color: hsl(227 23% 12%);
  border-color: oklch(0.224 0.022 272.7);
}

Tailwind CSS v4

@theme {
  --color-coarse-wool: #181b26;
  --color-coarse-wool-50: #f3f5fc;
  --color-coarse-wool-100: #e5e7ef;
  --color-coarse-wool-200: #d1d4de;
  --color-coarse-wool-300: #b4b7c3;
  --color-coarse-wool-400: #9a9eac;
  --color-coarse-wool-500: #818695;
  --color-coarse-wool-600: #6d717e;
  --color-coarse-wool-700: #575a65;
  --color-coarse-wool-800: #3f424a;
  --color-coarse-wool-900: #2c2e34;
  --color-coarse-wool-950: #191a1f;
}

SCSS

$coarse-wool: #181b26;
$coarse-wool-rgb: 24, 27, 38;
$coarse-wool-light: mix(#fff, $coarse-wool, 20%);
$coarse-wool-dark: mix(#000, $coarse-wool, 20%);

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