#966398

CSS

:root {
  --bermuda-onion: #966398;
  --bermuda-onion-rgb: 150 99 152;
  --bermuda-onion-oklch: oklch(0.573 0.099 325.5);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(298 21% 49%);
  border-color: oklch(0.573 0.099 325.5);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #966398;
  --color-bermuda-onion-50: #ffecff;
  --color-bermuda-onion-100: #fbddf9;
  --color-bermuda-onion-200: #ecc6ea;
  --color-bermuda-onion-300: #d3a6d2;
  --color-bermuda-onion-400: #bd8abe;
  --color-bermuda-onion-500: #a76eaa;
  --color-bermuda-onion-600: #8e5e8f;
  --color-bermuda-onion-700: #714b73;
  --color-bermuda-onion-800: #533656;
  --color-bermuda-onion-900: #3a253c;
  --color-bermuda-onion-950: #241326;
}

SCSS

$bermuda-onion: #966398;
$bermuda-onion-rgb: 150, 99, 152;
$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);
}