#A55F90

CSS

:root {
  --bermuda-onion: #a55f90;
  --bermuda-onion-rgb: 165 95 144;
  --bermuda-onion-oklch: oklch(0.581 0.111 339.2);
}

.element {
  color: var(--bermuda-onion);
  background-color: hsl(318 28% 51%);
  border-color: oklch(0.581 0.111 339.2);
}

Tailwind CSS v4

@theme {
  --color-bermuda-onion: #a55f90;
  --color-bermuda-onion-50: #ffe9ff;
  --color-bermuda-onion-100: #ffdaf3;
  --color-bermuda-onion-200: #f6c2e2;
  --color-bermuda-onion-300: #dfa1c8;
  --color-bermuda-onion-400: #ca84b4;
  --color-bermuda-onion-500: #b5679e;
  --color-bermuda-onion-600: #995886;
  --color-bermuda-onion-700: #7b466b;
  --color-bermuda-onion-800: #5a3250;
  --color-bermuda-onion-900: #3f2238;
  --color-bermuda-onion-950: #281122;
}

SCSS

$bermuda-onion: #a55f90;
$bermuda-onion-rgb: 165, 95, 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);
}