#3B1E6C

CSS

:root {
  --explorer-of-the-galaxies: #3b1e6c;
  --explorer-of-the-galaxies-rgb: 59 30 108;
  --explorer-of-the-galaxies-oklch: oklch(0.323 0.128 295.4);
}

.element {
  color: var(--explorer-of-the-galaxies);
  background-color: hsl(262 57% 27%);
  border-color: oklch(0.323 0.128 295.4);
}

Tailwind CSS v4

@theme {
  --color-explorer-of-the-galaxies: #3b1e6c;
  --color-explorer-of-the-galaxies-50: #f9eeff;
  --color-explorer-of-the-galaxies-100: #ece0ff;
  --color-explorer-of-the-galaxies-200: #dac9ff;
  --color-explorer-of-the-galaxies-300: #beaaf1;
  --color-explorer-of-the-galaxies-400: #a48ee2;
  --color-explorer-of-the-galaxies-500: #8e72d1;
  --color-explorer-of-the-galaxies-600: #7861b0;
  --color-explorer-of-the-galaxies-700: #604d8e;
  --color-explorer-of-the-galaxies-800: #45396a;
  --color-explorer-of-the-galaxies-900: #2f274b;
  --color-explorer-of-the-galaxies-950: #1c1531;
}

SCSS

$explorer-of-the-galaxies: #3b1e6c;
$explorer-of-the-galaxies-rgb: 59, 30, 108;
$explorer-of-the-galaxies-light: mix(#fff, $explorer-of-the-galaxies, 20%);
$explorer-of-the-galaxies-dark: mix(#000, $explorer-of-the-galaxies, 20%);

.element {
  color: $explorer-of-the-galaxies;
  box-shadow: 0 0 0 2px rgba($explorer-of-the-galaxies, 0.35);
}