#6B2151

CSS

:root {
  --pretty-in-prune: #6b2151;
  --pretty-in-prune-rgb: 107 33 81;
  --pretty-in-prune-oklch: oklch(0.379 0.119 344.4);
}

.element {
  color: var(--pretty-in-prune);
  background-color: hsl(321 53% 27%);
  border-color: oklch(0.379 0.119 344.4);
}

Tailwind CSS v4

@theme {
  --color-pretty-in-prune: #6b2151;
  --color-pretty-in-prune-50: #ffe8fc;
  --color-pretty-in-prune-100: #ffd9f0;
  --color-pretty-in-prune-200: #fbc0df;
  --color-pretty-in-prune-300: #e59fc4;
  --color-pretty-in-prune-400: #d081af;
  --color-pretty-in-prune-500: #bc6399;
  --color-pretty-in-prune-600: #9f5481;
  --color-pretty-in-prune-700: #804368;
  --color-pretty-in-prune-800: #5e304e;
  --color-pretty-in-prune-900: #422136;
  --color-pretty-in-prune-950: #2a1021;
}

SCSS

$pretty-in-prune: #6b2151;
$pretty-in-prune-rgb: 107, 33, 81;
$pretty-in-prune-light: mix(#fff, $pretty-in-prune, 20%);
$pretty-in-prune-dark: mix(#000, $pretty-in-prune, 20%);

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