#9C6494

CSS

:root {
  --bermuda-onion: #9c6494;
  --bermuda-onion-rgb: 156 100 148;
  --bermuda-onion-oklch: oklch(0.58 0.097 332);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(309 22% 50%);
  border-color: oklch(0.58 0.097 332);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #9c6494;
  --color-bermuda-onion-50: #ffebff;
  --color-bermuda-onion-100: #fddcf6;
  --color-bermuda-onion-200: #efc5e6;
  --color-bermuda-onion-300: #d7a5cc;
  --color-bermuda-onion-400: #c189b8;
  --color-bermuda-onion-500: #ac6da3;
  --color-bermuda-onion-600: #915d8a;
  --color-bermuda-onion-700: #744a6e;
  --color-bermuda-onion-800: #553652;
  --color-bermuda-onion-900: #3c2539;
  --color-bermuda-onion-950: #251324;
}

SCSS

$bermuda-onion: #9c6494;
$bermuda-onion-rgb: 156, 100, 148;
$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);
}