#A25297

CSS

:root {
  --bermuda-onion: #a25297;
  --bermuda-onion-rgb: 162 82 151;
  --bermuda-onion-oklch: oklch(0.56 0.137 332.6);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(308 33% 48%);
  border-color: oklch(0.56 0.137 332.6);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a25297;
  --color-bermuda-onion-50: #ffe7ff;
  --color-bermuda-onion-100: #ffd7fb;
  --color-bermuda-onion-200: #fabfec;
  --color-bermuda-onion-300: #e39cd4;
  --color-bermuda-onion-400: #ce7ec2;
  --color-bermuda-onion-500: #ba5fad;
  --color-bermuda-onion-600: #9d5192;
  --color-bermuda-onion-700: #7e4175;
  --color-bermuda-onion-800: #5c2f58;
  --color-bermuda-onion-900: #41203e;
  --color-bermuda-onion-950: #290f27;
}

SCSS

$bermuda-onion: #a25297;
$bermuda-onion-rgb: 162, 82, 151;
$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);
}