#C027D6

CSS

:root {
  --trippy-velvet: #c027d6;
  --trippy-velvet-rgb: 192 39 214;
  --trippy-velvet-oklch: oklch(0.594 0.258 322.1);
}

.element {
  color: var(--trippy-velvet);
  background-color: hsl(292 69% 50%);
  border-color: oklch(0.594 0.258 322.1);
}

Tailwind CSS v4

@theme {
  --color-trippy-velvet: #c027d6;
  --color-trippy-velvet-50: #ffdcff;
  --color-trippy-velvet-100: #ffcaff;
  --color-trippy-velvet-200: #ffacff;
  --color-trippy-velvet-300: #f682ff;
  --color-trippy-velvet-400: #e159f6;
  --color-trippy-velvet-500: #cf19e7;
  --color-trippy-velvet-600: #ae1cc3;
  --color-trippy-velvet-700: #8c189d;
  --color-trippy-velvet-800: #671078;
  --color-trippy-velvet-900: #480b54;
  --color-trippy-velvet-950: #2f0039;
}

SCSS

$trippy-velvet: #c027d6;
$trippy-velvet-rgb: 192, 39, 214;
$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);
}