#A05BA3

CSS

:root {
  --bermuda-onion: #a05ba3;
  --bermuda-onion-rgb: 160 91 163;
  --bermuda-onion-oklch: oklch(0.577 0.132 325.6);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(298 28% 50%);
  border-color: oklch(0.577 0.132 325.6);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a05ba3;
  --color-bermuda-onion-50: #ffe9ff;
  --color-bermuda-onion-100: #ffd9ff;
  --color-bermuda-onion-200: #f3c1f1;
  --color-bermuda-onion-300: #dc9fda;
  --color-bermuda-onion-400: #c682c8;
  --color-bermuda-onion-500: #b164b5;
  --color-bermuda-onion-600: #965599;
  --color-bermuda-onion-700: #78447b;
  --color-bermuda-onion-800: #58315c;
  --color-bermuda-onion-900: #3e2140;
  --color-bermuda-onion-950: #271029;
}

SCSS

$bermuda-onion: #a05ba3;
$bermuda-onion-rgb: 160, 91, 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);
}