#030A02

CSS

:root {
  --jedi-night: #030a02;
  --jedi-night-rgb: 3 10 2;
  --jedi-night-oklch: oklch(0.131 0.028 139.8);
}

.element {
  color: var(--jedi-night);
  background-color: hsl(113 67% 2%);
  border-color: oklch(0.131 0.028 139.8);
}

Tailwind CSS v4

@theme {
  --color-jedi-night: #030a02;
  --color-jedi-night-50: #f1f7f0;
  --color-jedi-night-100: #e3eae2;
  --color-jedi-night-200: #ced7cc;
  --color-jedi-night-300: #b0bbae;
  --color-jedi-night-400: #96a393;
  --color-jedi-night-500: #7d8b79;
  --color-jedi-night-600: #6a7667;
  --color-jedi-night-700: #545e52;
  --color-jedi-night-800: #3e453b;
  --color-jedi-night-900: #2a3029;
  --color-jedi-night-950: #181c17;
}

SCSS

$jedi-night: #030a02;
$jedi-night-rgb: 3, 10, 2;
$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);
}