#7A2B1C

CSS

:root {
  --prune: #7a2b1c;
  --prune-rgb: 122 43 28;
  --prune-oklch: oklch(0.403 0.114 32.8);
}

.element {
  color: var(--prune);
  background-color: hsl(10 63% 29%);
  border-color: oklch(0.403 0.114 32.8);
}

Tailwind CSS v4

@theme {
  --color-prune: #7a2b1c;
  --color-prune-50: #ffeae0;
  --color-prune-100: #ffdbcf;
  --color-prune-200: #ffc4b4;
  --color-prune-300: #eba390;
  --color-prune-400: #d98573;
  --color-prune-500: #c66754;
  --color-prune-600: #a75847;
  --color-prune-700: #864639;
  --color-prune-800: #64322a;
  --color-prune-900: #46221c;
  --color-prune-950: #2d110c;
}

SCSS

$prune: #7a2b1c;
$prune-rgb: 122, 43, 28;
$prune-light: mix(#fff, $prune, 20%);
$prune-dark: mix(#000, $prune, 20%);

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