#C805EA

CSS

:root {
  --trippy-velvet: #c805ea;
  --trippy-velvet-rgb: 200 5 234;
  --trippy-velvet-oklch: oklch(0.608 0.29 319.9);
}

.element {
  color: var(--trippy-velvet);
  background-color: hsl(291 96% 47%);
  border-color: oklch(0.608 0.29 319.9);
}

Tailwind CSS v4

@theme {
  --color-trippy-velvet: #c805ea;
  --color-trippy-velvet-50: #ffdaff;
  --color-trippy-velvet-100: #ffc7ff;
  --color-trippy-velvet-200: #ffa7ff;
  --color-trippy-velvet-300: #f97bff;
  --color-trippy-velvet-400: #e44cff;
  --color-trippy-velvet-500: #d200f8;
  --color-trippy-velvet-600: #b200d1;
  --color-trippy-velvet-700: #8f00a8;
  --color-trippy-velvet-800: #680081;
  --color-trippy-velvet-900: #49005b;
  --color-trippy-velvet-950: #30003e;
}

SCSS

$trippy-velvet: #c805ea;
$trippy-velvet-rgb: 200, 5, 234;
$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);
}