#C624D8

CSS

:root {
  --trippy-velvet: #c624d8;
  --trippy-velvet-rgb: 198 36 216;
  --trippy-velvet-oklch: oklch(0.602 0.264 323.4);
}

.element {
  color: var(--trippy-velvet);
  background-color: hsl(294 71% 49%);
  border-color: oklch(0.602 0.264 323.4);
}

Tailwind CSS v4

@theme {
  --color-trippy-velvet: #c624d8;
  --color-trippy-velvet-50: #ffdbff;
  --color-trippy-velvet-100: #ffc9ff;
  --color-trippy-velvet-200: #ffaaff;
  --color-trippy-velvet-300: #f980ff;
  --color-trippy-velvet-400: #e456f5;
  --color-trippy-velvet-500: #d206e6;
  --color-trippy-velvet-600: #b112c2;
  --color-trippy-velvet-700: #8f119c;
  --color-trippy-velvet-800: #680b77;
  --color-trippy-velvet-900: #4a0854;
  --color-trippy-velvet-950: #300039;
}

SCSS

$trippy-velvet: #c624d8;
$trippy-velvet-rgb: 198, 36, 216;
$trippy-velvet-light: mix(#fff, $trippy-velvet, 20%);
$trippy-velvet-dark: mix(#000, $trippy-velvet, 20%);

.element {
  color: $trippy-velvet;
  box-shadow: 0 0 0 2px rgba($trippy-velvet, 0.35);
}