#642654

CSS

:root {
  --pretty-in-prune: #642654;
  --pretty-in-prune-rgb: 100 38 84;
  --pretty-in-prune-oklch: oklch(0.376 0.108 338.8);
}

.element {
  color: var(--pretty-in-prune);
  background-color: hsl(315 45% 27%);
  border-color: oklch(0.376 0.108 338.8);
}

Tailwind CSS v4

@theme {
  --color-pretty-in-prune: #642654;
  --color-pretty-in-prune-50: #ffeaff;
  --color-pretty-in-prune-100: #ffdaf3;
  --color-pretty-in-prune-200: #f5c3e2;
  --color-pretty-in-prune-300: #dea2c8;
  --color-pretty-in-prune-400: #c885b4;
  --color-pretty-in-prune-500: #b4689e;
  --color-pretty-in-prune-600: #985985;
  --color-pretty-in-prune-700: #7a476b;
  --color-pretty-in-prune-800: #5a3350;
  --color-pretty-in-prune-900: #3f2338;
  --color-pretty-in-prune-950: #281222;
}

SCSS

$pretty-in-prune: #642654;
$pretty-in-prune-rgb: 100, 38, 84;
$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);
}