#A55B91

CSS

:root {
  --bermuda-onion: #a55b91;
  --bermuda-onion-rgb: 165 91 145;
  --bermuda-onion-oklch: oklch(0.575 0.119 338);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(316 29% 50%);
  border-color: oklch(0.575 0.119 338);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a55b91;
  --color-bermuda-onion-50: #ffe9ff;
  --color-bermuda-onion-100: #ffd9f4;
  --color-bermuda-onion-200: #f8c1e4;
  --color-bermuda-onion-300: #e1a0cb;
  --color-bermuda-onion-400: #cc82b7;
  --color-bermuda-onion-500: #b865a1;
  --color-bermuda-onion-600: #9b5688;
  --color-bermuda-onion-700: #7d446d;
  --color-bermuda-onion-800: #5c3152;
  --color-bermuda-onion-900: #402139;
  --color-bermuda-onion-950: #291023;
}

SCSS

$bermuda-onion: #a55b91;
$bermuda-onion-rgb: 165, 91, 145;
$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);
}