#A65B90

CSS

:root {
  --bermuda-onion: #a65b90;
  --bermuda-onion-rgb: 166 91 144;
  --bermuda-onion-oklch: oklch(0.576 0.119 339.1);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(318 30% 50%);
  border-color: oklch(0.576 0.119 339.1);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a65b90;
  --color-bermuda-onion-50: #ffe8ff;
  --color-bermuda-onion-100: #ffd9f4;
  --color-bermuda-onion-200: #f8c1e3;
  --color-bermuda-onion-300: #e29fc9;
  --color-bermuda-onion-400: #cd82b5;
  --color-bermuda-onion-500: #b864a0;
  --color-bermuda-onion-600: #9c5587;
  --color-bermuda-onion-700: #7d446c;
  --color-bermuda-onion-800: #5c3151;
  --color-bermuda-onion-900: #402139;
  --color-bermuda-onion-950: #291023;
}

SCSS

$bermuda-onion: #a65b90;
$bermuda-onion-rgb: 166, 91, 144;
$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);
}