#0E1708

CSS

:root {
  --memorial-black: #0e1708;
  --memorial-black-rgb: 14 23 8;
  --memorial-black-oklch: oklch(0.191 0.032 133.7);
}

.element {
  color: var(--memorial-black);
  background-color: hsl(96 48% 6%);
  border-color: oklch(0.191 0.032 133.7);
}

Tailwind CSS v4

@theme {
  --color-memorial-black: #0e1708;
  --color-memorial-black-50: #f1f7ee;
  --color-memorial-black-100: #e3eae0;
  --color-memorial-black-200: #ced8ca;
  --color-memorial-black-300: #b0bbab;
  --color-memorial-black-400: #97a390;
  --color-memorial-black-500: #7e8b76;
  --color-memorial-black-600: #6b7664;
  --color-memorial-black-700: #555e50;
  --color-memorial-black-800: #3e4539;
  --color-memorial-black-900: #2b3027;
  --color-memorial-black-950: #181c15;
}

SCSS

$memorial-black: #0e1708;
$memorial-black-rgb: 14, 23, 8;
$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);
}