#141200

CSS

:root {
  --memorial-black: #141200;
  --memorial-black-rgb: 20 18 0;
  --memorial-black-oklch: oklch(0.179 0.038 104.7);
}

.element {
  color: var(--memorial-black);
  background-color: hsl(54 100% 4%);
  border-color: oklch(0.179 0.038 104.7);
}

Tailwind CSS v4

@theme {
  --color-memorial-black: #141200;
  --color-memorial-black-50: #f6f6ea;
  --color-memorial-black-100: #e9e9db;
  --color-memorial-black-200: #d6d6c3;
  --color-memorial-black-300: #b9b9a3;
  --color-memorial-black-400: #a1a086;
  --color-memorial-black-500: #8a886b;
  --color-memorial-black-600: #74735b;
  --color-memorial-black-700: #5d5c48;
  --color-memorial-black-800: #454334;
  --color-memorial-black-900: #2f2e23;
  --color-memorial-black-950: #1c1b12;
}

SCSS

$memorial-black: #141200;
$memorial-black-rgb: 20, 18, 0;
$memorial-black-light: mix(#fff, $memorial-black, 20%);
$memorial-black-dark: mix(#000, $memorial-black, 20%);

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