#A359A1

CSS

:root {
  --bermuda-onion: #a359a1;
  --bermuda-onion-rgb: 163 89 161;
  --bermuda-onion-oklch: oklch(0.576 0.135 328.1);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(302 29% 49%);
  border-color: oklch(0.576 0.135 328.1);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a359a1;
  --color-bermuda-onion-50: #ffe8ff;
  --color-bermuda-onion-100: #ffd8fe;
  --color-bermuda-onion-200: #f6c0f0;
  --color-bermuda-onion-300: #df9ed8;
  --color-bermuda-onion-400: #c980c6;
  --color-bermuda-onion-500: #b562b3;
  --color-bermuda-onion-600: #995397;
  --color-bermuda-onion-700: #7b4279;
  --color-bermuda-onion-800: #5a305b;
  --color-bermuda-onion-900: #3f2140;
  --color-bermuda-onion-950: #281029;
}

SCSS

$bermuda-onion: #a359a1;
$bermuda-onion-rgb: 163, 89, 161;
$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);
}