#14190A

CSS

:root {
  --memorial-black: #14190a;
  --memorial-black-rgb: 20 25 10;
  --memorial-black-oklch: oklch(0.203 0.029 124);
}

.element {
  color: var(--memorial-black);
  background-color: hsl(80 43% 7%);
  border-color: oklch(0.203 0.029 124);
}

Tailwind CSS v4

@theme {
  --color-memorial-black: #14190a;
  --color-memorial-black-50: #f3f7ee;
  --color-memorial-black-100: #e5eae0;
  --color-memorial-black-200: #d1d7ca;
  --color-memorial-black-300: #b4baab;
  --color-memorial-black-400: #9ba28f;
  --color-memorial-black-500: #828a75;
  --color-memorial-black-600: #6e7563;
  --color-memorial-black-700: #585d4f;
  --color-memorial-black-800: #414439;
  --color-memorial-black-900: #2c2f27;
  --color-memorial-black-950: #1a1c15;
}

SCSS

$memorial-black: #14190a;
$memorial-black-rgb: 20, 25, 10;
$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);
}