#081102

CSS

:root {
  --memorial-black: #081102;
  --memorial-black-rgb: 8 17 2;
  --memorial-black-oklch: oklch(0.163 0.037 131.6);
}

.element {
  color: var(--memorial-black);
  background-color: hsl(96 79% 4%);
  border-color: oklch(0.163 0.037 131.6);
}

Tailwind CSS v4

@theme {
  --color-memorial-black: #081102;
  --color-memorial-black-50: #f1f8ed;
  --color-memorial-black-100: #e3ebde;
  --color-memorial-black-200: #ced8c8;
  --color-memorial-black-300: #b0bca9;
  --color-memorial-black-400: #97a38d;
  --color-memorial-black-500: #7d8c72;
  --color-memorial-black-600: #6a7661;
  --color-memorial-black-700: #555e4d;
  --color-memorial-black-800: #3e4538;
  --color-memorial-black-900: #2b3026;
  --color-memorial-black-950: #181c14;
}

SCSS

$memorial-black: #081102;
$memorial-black-rgb: 8, 17, 2;
$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);
}