#A5599B

CSS

:root {
  --bermuda-onion: #a5599b;
  --bermuda-onion-rgb: 165 89 155;
  --bermuda-onion-oklch: oklch(0.576 0.131 332.2);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(308 30% 50%);
  border-color: oklch(0.576 0.131 332.2);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a5599b;
  --color-bermuda-onion-50: #ffe8ff;
  --color-bermuda-onion-100: #ffd8fa;
  --color-bermuda-onion-200: #f8c0eb;
  --color-bermuda-onion-300: #e19ed3;
  --color-bermuda-onion-400: #cb80c1;
  --color-bermuda-onion-500: #b762ac;
  --color-bermuda-onion-600: #9b5391;
  --color-bermuda-onion-700: #7c4275;
  --color-bermuda-onion-800: #5b3058;
  --color-bermuda-onion-900: #40213d;
  --color-bermuda-onion-950: #291027;
}

SCSS

$bermuda-onion: #a5599b;
$bermuda-onion-rgb: 165, 89, 155;
$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);
}