#996498

CSS

:root {
  --bermuda-onion: #996498;
  --bermuda-onion-rgb: 153 100 152;
  --bermuda-onion-oklch: oklch(0.578 0.099 327.4);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(301 21% 50%);
  border-color: oklch(0.578 0.099 327.4);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #996498;
  --color-bermuda-onion-50: #ffecff;
  --color-bermuda-onion-100: #fcddf8;
  --color-bermuda-onion-200: #edc6e9;
  --color-bermuda-onion-300: #d5a5d0;
  --color-bermuda-onion-400: #be8abd;
  --color-bermuda-onion-500: #a96ea8;
  --color-bermuda-onion-600: #8f5d8e;
  --color-bermuda-onion-700: #734a72;
  --color-bermuda-onion-800: #543655;
  --color-bermuda-onion-900: #3a253b;
  --color-bermuda-onion-950: #241325;
}

SCSS

$bermuda-onion: #996498;
$bermuda-onion-rgb: 153, 100, 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);
}