#975494

CSS

:root {
  --bermuda-onion: #975494;
  --bermuda-onion-rgb: 151 84 148;
  --bermuda-onion-oklch: oklch(0.547 0.123 328.7);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(303 29% 46%);
  border-color: oklch(0.547 0.123 328.7);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #975494;
  --color-bermuda-onion-50: #ffe9ff;
  --color-bermuda-onion-100: #ffdafb;
  --color-bermuda-onion-200: #f4c2ed;
  --color-bermuda-onion-300: #dca0d5;
  --color-bermuda-onion-400: #c683c2;
  --color-bermuda-onion-500: #b266ae;
  --color-bermuda-onion-600: #965793;
  --color-bermuda-onion-700: #784576;
  --color-bermuda-onion-800: #583259;
  --color-bermuda-onion-900: #3e223e;
  --color-bermuda-onion-950: #271127;
}

SCSS

$bermuda-onion: #975494;
$bermuda-onion-rgb: 151, 84, 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);
}