#6F2659

CSS

:root {
  --pretty-in-prune: #6f2659;
  --pretty-in-prune-rgb: 111 38 89;
  --pretty-in-prune-oklch: oklch(0.396 0.12 341.4);
}

.element {
  color: var(--pretty-in-prune);
  background-color: hsl(318 49% 29%);
  border-color: oklch(0.396 0.12 341.4);
}

Tailwind CSS v4

@theme {
  --color-pretty-in-prune: #6f2659;
  --color-pretty-in-prune-50: #ffe8fe;
  --color-pretty-in-prune-100: #ffd9f2;
  --color-pretty-in-prune-200: #fac0e1;
  --color-pretty-in-prune-300: #e39fc7;
  --color-pretty-in-prune-400: #cf81b3;
  --color-pretty-in-prune-500: #bb639d;
  --color-pretty-in-prune-600: #9e5485;
  --color-pretty-in-prune-700: #7f436a;
  --color-pretty-in-prune-800: #5d3050;
  --color-pretty-in-prune-900: #412138;
  --color-pretty-in-prune-950: #2a1022;
}

SCSS

$pretty-in-prune: #6f2659;
$pretty-in-prune-rgb: 111, 38, 89;
$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);
}