#030C07

CSS

:root {
  --jedi-night: #030c07;
  --jedi-night-rgb: 3 12 7;
  --jedi-night-oklch: oklch(0.141 0.021 162.1);
}

.element {
  color: var(--jedi-night);
  background-color: hsl(147 60% 3%);
  border-color: oklch(0.141 0.021 162.1);
}

Tailwind CSS v4

@theme {
  --color-jedi-night: #030c07;
  --color-jedi-night-50: #f0f7f3;
  --color-jedi-night-100: #e2eae6;
  --color-jedi-night-200: #cdd7d2;
  --color-jedi-night-300: #aebbb4;
  --color-jedi-night-400: #94a29b;
  --color-jedi-night-500: #7b8b82;
  --color-jedi-night-600: #68756e;
  --color-jedi-night-700: #535e58;
  --color-jedi-night-800: #3c4540;
  --color-jedi-night-900: #2a2f2c;
  --color-jedi-night-950: #171c19;
}

SCSS

$jedi-night: #030c07;
$jedi-night-rgb: 3, 12, 7;
$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);
}