#A65A97

CSS

:root {
  --bermuda-onion: #a65a97;
  --bermuda-onion-rgb: 166 90 151;
  --bermuda-onion-oklch: oklch(0.577 0.126 334.9);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(312 30% 50%);
  border-color: oklch(0.577 0.126 334.9);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a65a97;
  --color-bermuda-onion-50: #ffe8ff;
  --color-bermuda-onion-100: #ffd8f8;
  --color-bermuda-onion-200: #f8c0e8;
  --color-bermuda-onion-300: #e19ecf;
  --color-bermuda-onion-400: #cc81bc;
  --color-bermuda-onion-500: #b863a7;
  --color-bermuda-onion-600: #9b548d;
  --color-bermuda-onion-700: #7d4371;
  --color-bermuda-onion-800: #5c3055;
  --color-bermuda-onion-900: #40213b;
  --color-bermuda-onion-950: #291025;
}

SCSS

$bermuda-onion: #a65a97;
$bermuda-onion-rgb: 166, 90, 151;
$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);
}