#9A6498

CSS

:root {
  --bermuda-onion: #9a6498;
  --bermuda-onion-rgb: 154 100 152;
  --bermuda-onion-oklch: oklch(0.579 0.1 328);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(302 21% 50%);
  border-color: oklch(0.579 0.1 328);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #9a6498;
  --color-bermuda-onion-50: #ffebff;
  --color-bermuda-onion-100: #fcdcf8;
  --color-bermuda-onion-200: #eec5e9;
  --color-bermuda-onion-300: #d5a5d0;
  --color-bermuda-onion-400: #bf89bc;
  --color-bermuda-onion-500: #aa6da8;
  --color-bermuda-onion-600: #8f5d8e;
  --color-bermuda-onion-700: #734a71;
  --color-bermuda-onion-800: #543655;
  --color-bermuda-onion-900: #3b253b;
  --color-bermuda-onion-950: #251325;
}

SCSS

$bermuda-onion: #9a6498;
$bermuda-onion-rgb: 154, 100, 152;
$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);
}