#001410

CSS

:root {
  --jedi-night: #001410;
  --jedi-night-rgb: 0 20 16;
  --jedi-night-oklch: oklch(0.171 0.031 179.4);
}

.element {
  color: var(--jedi-night);
  background-color: hsl(168 100% 4%);
  border-color: oklch(0.171 0.031 179.4);
}

Tailwind CSS v4

@theme {
  --color-jedi-night: #001410;
  --color-jedi-night-50: #ecf8f6;
  --color-jedi-night-100: #ddebe8;
  --color-jedi-night-200: #c7d9d5;
  --color-jedi-night-300: #a7bdb8;
  --color-jedi-night-400: #8ba59f;
  --color-jedi-night-500: #708d87;
  --color-jedi-night-600: #5f7872;
  --color-jedi-night-700: #4c605b;
  --color-jedi-night-800: #374642;
  --color-jedi-night-900: #26302e;
  --color-jedi-night-950: #141d1a;
}

SCSS

$jedi-night: #001410;
$jedi-night-rgb: 0, 20, 16;
$jedi-night-light: mix(#fff, $jedi-night, 20%);
$jedi-night-dark: mix(#000, $jedi-night, 20%);

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