#9B639D

CSS

:root {
  --bermuda-onion: #9b639d;
  --bermuda-onion-rgb: 155 99 157;
  --bermuda-onion-oklch: oklch(0.581 0.108 325.7);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(298 23% 50%);
  border-color: oklch(0.581 0.108 325.7);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #9b639d;
  --color-bermuda-onion-50: #ffebff;
  --color-bermuda-onion-100: #fcdcfb;
  --color-bermuda-onion-200: #eec5ec;
  --color-bermuda-onion-300: #d6a4d4;
  --color-bermuda-onion-400: #bf88c1;
  --color-bermuda-onion-500: #aa6cad;
  --color-bermuda-onion-600: #905b92;
  --color-bermuda-onion-700: #734975;
  --color-bermuda-onion-800: #543558;
  --color-bermuda-onion-900: #3b243d;
  --color-bermuda-onion-950: #251327;
}

SCSS

$bermuda-onion: #9b639d;
$bermuda-onion-rgb: 155, 99, 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);
}