#996594

CSS

:root {
  --bermuda-onion: #996594;
  --bermuda-onion-rgb: 153 101 148;
  --bermuda-onion-oklch: oklch(0.578 0.093 330.1);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(306 20% 50%);
  border-color: oklch(0.578 0.093 330.1);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #996594;
  --color-bermuda-onion-50: #ffecff;
  --color-bermuda-onion-100: #fcddf6;
  --color-bermuda-onion-200: #edc6e6;
  --color-bermuda-onion-300: #d5a6cd;
  --color-bermuda-onion-400: #be8ab9;
  --color-bermuda-onion-500: #a96fa3;
  --color-bermuda-onion-600: #8f5e8a;
  --color-bermuda-onion-700: #734b6f;
  --color-bermuda-onion-800: #543653;
  --color-bermuda-onion-900: #3b253a;
  --color-bermuda-onion-950: #241424;
}

SCSS

$bermuda-onion: #996594;
$bermuda-onion-rgb: 153, 101, 148;
$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);
}