#04110A

CSS

:root {
  --jedi-night: #04110a;
  --jedi-night-rgb: 4 17 10;
  --jedi-night-oklch: oklch(0.162 0.025 160.8);
}

.element {
  color: var(--jedi-night);
  background-color: hsl(148 62% 4%);
  border-color: oklch(0.162 0.025 160.8);
}

Tailwind CSS v4

@theme {
  --color-jedi-night: #04110a;
  --color-jedi-night-50: #eff7f3;
  --color-jedi-night-100: #e1ebe5;
  --color-jedi-night-200: #cbd8d1;
  --color-jedi-night-300: #acbcb4;
  --color-jedi-night-400: #92a399;
  --color-jedi-night-500: #788c81;
  --color-jedi-night-600: #66766d;
  --color-jedi-night-700: #515f57;
  --color-jedi-night-800: #3b453f;
  --color-jedi-night-900: #29302b;
  --color-jedi-night-950: #161c19;
}

SCSS

$jedi-night: #04110a;
$jedi-night-rgb: 4, 17, 10;
$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);
}