#9B6495

CSS

:root {
  --bermuda-onion: #9b6495;
  --bermuda-onion-rgb: 155 100 149;
  --bermuda-onion-oklch: oklch(0.579 0.098 330.7);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(307 22% 50%);
  border-color: oklch(0.579 0.098 330.7);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #9b6495;
  --color-bermuda-onion-50: #ffebff;
  --color-bermuda-onion-100: #fddcf6;
  --color-bermuda-onion-200: #eec5e7;
  --color-bermuda-onion-300: #d6a5cd;
  --color-bermuda-onion-400: #c089b9;
  --color-bermuda-onion-500: #ab6da4;
  --color-bermuda-onion-600: #905d8b;
  --color-bermuda-onion-700: #744a6f;
  --color-bermuda-onion-800: #553653;
  --color-bermuda-onion-900: #3b253a;
  --color-bermuda-onion-950: #251324;
}

SCSS

$bermuda-onion: #9b6495;
$bermuda-onion-rgb: 155, 100, 149;
$bermuda-onion-light: mix(#fff, $bermuda-onion, 20%);
$bermuda-onion-dark: mix(#000, $bermuda-onion, 20%);

.element {
  color: $bermuda-onion;
  box-shadow: 0 0 0 2px rgba($bermuda-onion, 0.35);
}