#9B538D

CSS

:root {
  --bermuda-onion: #9b538d;
  --bermuda-onion-rgb: 155 83 141;
  --bermuda-onion-oklch: oklch(0.548 0.121 334.8);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(312 30% 47%);
  border-color: oklch(0.548 0.121 334.8);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #9b538d;
  --color-bermuda-onion-50: #ffe9ff;
  --color-bermuda-onion-100: #ffd9f7;
  --color-bermuda-onion-200: #f7c1e8;
  --color-bermuda-onion-300: #e0a0ce;
  --color-bermuda-onion-400: #ca82bb;
  --color-bermuda-onion-500: #b665a6;
  --color-bermuda-onion-600: #9a568c;
  --color-bermuda-onion-700: #7b4470;
  --color-bermuda-onion-800: #5b3154;
  --color-bermuda-onion-900: #3f213b;
  --color-bermuda-onion-950: #281025;
}

SCSS

$bermuda-onion: #9b538d;
$bermuda-onion-rgb: 155, 83, 141;
$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);
}