#A15AA3

CSS

:root {
  --bermuda-onion: #a15aa3;
  --bermuda-onion-rgb: 161 90 163;
  --bermuda-onion-oklch: oklch(0.576 0.134 326.1);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(298 29% 50%);
  border-color: oklch(0.576 0.134 326.1);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a15aa3;
  --color-bermuda-onion-50: #ffe8ff;
  --color-bermuda-onion-100: #ffd9ff;
  --color-bermuda-onion-200: #f4c0f1;
  --color-bermuda-onion-300: #dd9fda;
  --color-bermuda-onion-400: #c781c9;
  --color-bermuda-onion-500: #b363b5;
  --color-bermuda-onion-600: #975499;
  --color-bermuda-onion-700: #79437b;
  --color-bermuda-onion-800: #59315c;
  --color-bermuda-onion-900: #3e2141;
  --color-bermuda-onion-950: #271029;
}

SCSS

$bermuda-onion: #a15aa3;
$bermuda-onion-rgb: 161, 90, 163;
$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);
}