#141911

CSS

:root {
  --memorial-black: #141911;
  --memorial-black-rgb: 20 25 17;
  --memorial-black-oklch: oklch(0.205 0.017 133.9);
}

.element {
  color: var(--memorial-black);
  background-color: hsl(98 19% 8%);
  border-color: oklch(0.205 0.017 133.9);
}

Tailwind CSS v4

@theme {
  --color-memorial-black: #141911;
  --color-memorial-black-50: #f3f6f1;
  --color-memorial-black-100: #e5e9e4;
  --color-memorial-black-200: #d1d6cf;
  --color-memorial-black-300: #b3b9b1;
  --color-memorial-black-400: #9aa197;
  --color-memorial-black-500: #82897d;
  --color-memorial-black-600: #6e746a;
  --color-memorial-black-700: #585d55;
  --color-memorial-black-800: #40443e;
  --color-memorial-black-900: #2c2f2a;
  --color-memorial-black-950: #191b18;
}

SCSS

$memorial-black: #141911;
$memorial-black-rgb: 20, 25, 17;
$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);
}