#A55D9D

CSS

:root {
  --bermuda-onion: #a55d9d;
  --bermuda-onion-rgb: 165 93 157;
  --bermuda-onion-oklch: oklch(0.583 0.126 331.2);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(307 29% 51%);
  border-color: oklch(0.583 0.126 331.2);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a55d9d;
  --color-bermuda-onion-50: #ffe8ff;
  --color-bermuda-onion-100: #ffd9fa;
  --color-bermuda-onion-200: #f6c1eb;
  --color-bermuda-onion-300: #df9fd3;
  --color-bermuda-onion-400: #c982c0;
  --color-bermuda-onion-500: #b564ac;
  --color-bermuda-onion-600: #995591;
  --color-bermuda-onion-700: #7a4474;
  --color-bermuda-onion-800: #5a3157;
  --color-bermuda-onion-900: #3f213d;
  --color-bermuda-onion-950: #281027;
}

SCSS

$bermuda-onion: #a55d9d;
$bermuda-onion-rgb: 165, 93, 157;
$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);
}