#A359A2

CSS

:root {
  --bermuda-onion: #a359a2;
  --bermuda-onion-rgb: 163 89 162;
  --bermuda-onion-oklch: oklch(0.577 0.136 327.6);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(301 29% 49%);
  border-color: oklch(0.577 0.136 327.6);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a359a2;
  --color-bermuda-onion-50: #ffe8ff;
  --color-bermuda-onion-100: #ffd8fe;
  --color-bermuda-onion-200: #f6c0f1;
  --color-bermuda-onion-300: #df9ed9;
  --color-bermuda-onion-400: #c980c7;
  --color-bermuda-onion-500: #b562b4;
  --color-bermuda-onion-600: #995398;
  --color-bermuda-onion-700: #7b427a;
  --color-bermuda-onion-800: #5a305c;
  --color-bermuda-onion-900: #3f2040;
  --color-bermuda-onion-950: #281029;
}

SCSS

$bermuda-onion: #a359a2;
$bermuda-onion-rgb: 163, 89, 162;
$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);
}