#010C05

CSS

:root {
  --jedi-night: #010c05;
  --jedi-night-rgb: 1 12 5;
  --jedi-night-oklch: oklch(0.138 0.028 158.1);
}

.element {
  color: var(--jedi-night);
  background-color: hsl(142 85% 3%);
  border-color: oklch(0.138 0.028 158.1);
}

Tailwind CSS v4

@theme {
  --color-jedi-night: #010c05;
  --color-jedi-night-50: #eff8f2;
  --color-jedi-night-100: #e0ebe5;
  --color-jedi-night-200: #cbd8d0;
  --color-jedi-night-300: #acbcb2;
  --color-jedi-night-400: #91a498;
  --color-jedi-night-500: #778c7f;
  --color-jedi-night-600: #65776c;
  --color-jedi-night-700: #515f56;
  --color-jedi-night-800: #3b453e;
  --color-jedi-night-900: #28302b;
  --color-jedi-night-950: #161c18;
}

SCSS

$jedi-night: #010c05;
$jedi-night-rgb: 1, 12, 5;
$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);
}