#65245B

CSS

:root {
  --pretty-in-prune: #65245b;
  --pretty-in-prune-rgb: 101 36 91;
  --pretty-in-prune-oklch: oklch(0.378 0.118 334.1);
}

.element {
  color: var(--pretty-in-prune);
  background-color: hsl(309 47% 27%);
  border-color: oklch(0.378 0.118 334.1);
}

Tailwind CSS v4

@theme {
  --color-pretty-in-prune: #65245b;
  --color-pretty-in-prune-50: #ffe9ff;
  --color-pretty-in-prune-100: #ffdaf7;
  --color-pretty-in-prune-200: #f5c2e7;
  --color-pretty-in-prune-300: #dea1ce;
  --color-pretty-in-prune-400: #c983bb;
  --color-pretty-in-prune-500: #b466a6;
  --color-pretty-in-prune-600: #98578c;
  --color-pretty-in-prune-700: #7a4570;
  --color-pretty-in-prune-800: #5a3254;
  --color-pretty-in-prune-900: #3f223b;
  --color-pretty-in-prune-950: #281125;
}

SCSS

$pretty-in-prune: #65245b;
$pretty-in-prune-rgb: 101, 36, 91;
$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);
}