#A259A4

CSS

:root {
  --bermuda-onion: #a259a4;
  --bermuda-onion-rgb: 162 89 164;
  --bermuda-onion-oklch: oklch(0.576 0.137 326.2);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(298 30% 50%);
  border-color: oklch(0.576 0.137 326.2);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a259a4;
  --color-bermuda-onion-50: #ffe8ff;
  --color-bermuda-onion-100: #ffd8ff;
  --color-bermuda-onion-200: #f5c0f2;
  --color-bermuda-onion-300: #de9edb;
  --color-bermuda-onion-400: #c880c9;
  --color-bermuda-onion-500: #b462b6;
  --color-bermuda-onion-600: #98539a;
  --color-bermuda-onion-700: #7a427b;
  --color-bermuda-onion-800: #59305d;
  --color-bermuda-onion-900: #3e2141;
  --color-bermuda-onion-950: #27102a;
}

SCSS

$bermuda-onion: #a259a4;
$bermuda-onion-rgb: 162, 89, 164;
$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);
}