Night Brown

CSS

:root {
  --night-brown: #44281b;
  --night-brown-rgb: 68 40 27;
  --night-brown-oklch: oklch(0.309 0.048 45.4);
}

.element {
  color: var(--night-brown);
  background-color: hsl(19 43% 19%);
  border-color: oklch(0.309 0.048 45.4);
}

Tailwind CSS v4

@theme {
  --color-night-brown: #44281b;
  --color-night-brown-50: #fff1ea;
  --color-night-brown-100: #f6e4db;
  --color-night-brown-200: #e6cfc3;
  --color-night-brown-300: #cdb1a3;
  --color-night-brown-400: #b79687;
  --color-night-brown-500: #a27d6c;
  --color-night-brown-600: #896a5c;
  --color-night-brown-700: #6e5449;
  --color-night-brown-800: #513d35;
  --color-night-brown-900: #382a24;
  --color-night-brown-950: #231813;
}

SCSS

$night-brown: #44281b;
$night-brown-rgb: 68, 40, 27;
$night-brown-light: mix(#fff, $night-brown, 20%);
$night-brown-dark: mix(#000, $night-brown, 20%);

.element {
  color: $night-brown;
  box-shadow: 0 0 0 2px rgba($night-brown, 0.35);
}