#A25C97

CSS

:root {
  --bermuda-onion: #a25c97;
  --bermuda-onion-rgb: 162 92 151;
  --bermuda-onion-oklch: oklch(0.575 0.12 333);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(309 28% 50%);
  border-color: oklch(0.575 0.12 333);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a25c97;
  --color-bermuda-onion-50: #ffe9ff;
  --color-bermuda-onion-100: #ffdaf8;
  --color-bermuda-onion-200: #f5c1e9;
  --color-bermuda-onion-300: #dea0d0;
  --color-bermuda-onion-400: #c983bd;
  --color-bermuda-onion-500: #b466a8;
  --color-bermuda-onion-600: #98568e;
  --color-bermuda-onion-700: #7a4572;
  --color-bermuda-onion-800: #5a3255;
  --color-bermuda-onion-900: #3f223c;
  --color-bermuda-onion-950: #281125;
}

SCSS

$bermuda-onion: #a25c97;
$bermuda-onion-rgb: 162, 92, 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);
}