#63244B

CSS

:root {
  --pretty-in-prune: #63244b;
  --pretty-in-prune-rgb: 99 36 75;
  --pretty-in-prune-oklch: oklch(0.367 0.103 345.3);
}

.element {
  color: var(--pretty-in-prune);
  background-color: hsl(323 47% 26%);
  border-color: oklch(0.367 0.103 345.3);
}

Tailwind CSS v4

@theme {
  --color-pretty-in-prune: #63244b;
  --color-pretty-in-prune-50: #ffeafb;
  --color-pretty-in-prune-100: #ffdbee;
  --color-pretty-in-prune-200: #f7c3dd;
  --color-pretty-in-prune-300: #dfa2c1;
  --color-pretty-in-prune-400: #ca85ac;
  --color-pretty-in-prune-500: #b66995;
  --color-pretty-in-prune-600: #9a597e;
  --color-pretty-in-prune-700: #7c4765;
  --color-pretty-in-prune-800: #5b334c;
  --color-pretty-in-prune-900: #402334;
  --color-pretty-in-prune-950: #281220;
}

SCSS

$pretty-in-prune: #63244b;
$pretty-in-prune-rgb: 99, 36, 75;
$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);
}