#18180A

CSS

:root {
  --memorial-black: #18180a;
  --memorial-black-rgb: 24 24 10;
  --memorial-black-oklch: oklch(0.205 0.025 108.4);
}

.element {
  color: var(--memorial-black);
  background-color: hsl(60 41% 7%);
  border-color: oklch(0.205 0.025 108.4);
}

Tailwind CSS v4

@theme {
  --color-memorial-black: #18180a;
  --color-memorial-black-50: #f5f6ee;
  --color-memorial-black-100: #e8e9df;
  --color-memorial-black-200: #d4d5c9;
  --color-memorial-black-300: #b8b9aa;
  --color-memorial-black-400: #9fa08f;
  --color-memorial-black-500: #878875;
  --color-memorial-black-600: #727363;
  --color-memorial-black-700: #5c5c4f;
  --color-memorial-black-800: #434339;
  --color-memorial-black-900: #2e2e27;
  --color-memorial-black-950: #1b1b15;
}

SCSS

$memorial-black: #18180a;
$memorial-black-rgb: 24, 24, 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);
}