Red Velvet

CSS

:root {
  --red-velvet: #783b38;
  --red-velvet-rgb: 120 59 56;
  --red-velvet-oklch: oklch(0.43 0.086 24.2);
}

.element {
  color: var(--red-velvet);
  background-color: hsl(3 36% 35%);
  border-color: oklch(0.43 0.086 24.2);
}

Tailwind CSS v4

@theme {
  --color-red-velvet: #783b38;
  --color-red-velvet-50: #ffece8;
  --color-red-velvet-100: #ffded9;
  --color-red-velvet-200: #f7c7c1;
  --color-red-velvet-300: #e0a7a0;
  --color-red-velvet-400: #cc8b86;
  --color-red-velvet-500: #b86f6a;
  --color-red-velvet-600: #9c5e5a;
  --color-red-velvet-700: #7d4b48;
  --color-red-velvet-800: #5d3635;
  --color-red-velvet-900: #412524;
  --color-red-velvet-950: #291313;
}

SCSS

$red-velvet: #783b38;
$red-velvet-rgb: 120, 59, 56;
$red-velvet-light: mix(#fff, $red-velvet, 20%);
$red-velvet-dark: mix(#000, $red-velvet, 20%);

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