#99639F

CSS

:root {
  --bermuda-onion: #99639f;
  --bermuda-onion-rgb: 153 99 159;
  --bermuda-onion-oklch: oklch(0.58 0.108 323.3);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(294 24% 51%);
  border-color: oklch(0.58 0.108 323.3);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #99639f;
  --color-bermuda-onion-50: #ffebff;
  --color-bermuda-onion-100: #fbdcfc;
  --color-bermuda-onion-200: #edc5ee;
  --color-bermuda-onion-300: #d4a4d6;
  --color-bermuda-onion-400: #be88c3;
  --color-bermuda-onion-500: #a96caf;
  --color-bermuda-onion-600: #8e5c94;
  --color-bermuda-onion-700: #724977;
  --color-bermuda-onion-800: #533559;
  --color-bermuda-onion-900: #3a243e;
  --color-bermuda-onion-950: #241327;
}

SCSS

$bermuda-onion: #99639f;
$bermuda-onion-rgb: 153, 99, 159;
$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);
}