Velvet Black

CSS

:root {
  --velvet-black: #241f20;
  --velvet-black-rgb: 36 31 32;
  --velvet-black-oklch: oklch(0.245 0.008 4);
}

.element {
  color: var(--velvet-black);
  background-color: hsl(348 7% 13%);
  border-color: oklch(0.245 0.008 4);
}

Tailwind CSS v4

@theme {
  --color-velvet-black: #241f20;
  --color-velvet-black-50: #f7f4f5;
  --color-velvet-black-100: #eae7e7;
  --color-velvet-black-200: #d7d3d4;
  --color-velvet-black-300: #bbb6b7;
  --color-velvet-black-400: #a39c9e;
  --color-velvet-black-500: #8b8485;
  --color-velvet-black-600: #767071;
  --color-velvet-black-700: #5e595a;
  --color-velvet-black-800: #454142;
  --color-velvet-black-900: #302d2e;
  --color-velvet-black-950: #1c1a1a;
}

SCSS

$velvet-black: #241f20;
$velvet-black-rgb: 36, 31, 32;
$velvet-black-light: mix(#fff, $velvet-black, 20%);
$velvet-black-dark: mix(#000, $velvet-black, 20%);

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