#42207A

CSS

:root {
  --explorer-of-the-galaxies: #42207a;
  --explorer-of-the-galaxies-rgb: 66 32 122;
  --explorer-of-the-galaxies-oklch: oklch(0.347 0.143 295.1);
}

.element {
  color: var(--explorer-of-the-galaxies);
  background-color: hsl(263 58% 30%);
  border-color: oklch(0.347 0.143 295.1);
}

Tailwind CSS v4

@theme {
  --color-explorer-of-the-galaxies: #42207a;
  --color-explorer-of-the-galaxies-50: #f9edff;
  --color-explorer-of-the-galaxies-100: #ecdfff;
  --color-explorer-of-the-galaxies-200: #dac8ff;
  --color-explorer-of-the-galaxies-300: #bfa8f8;
  --color-explorer-of-the-galaxies-400: #a58ce9;
  --color-explorer-of-the-galaxies-500: #8f6fda;
  --color-explorer-of-the-galaxies-600: #795eb8;
  --color-explorer-of-the-galaxies-700: #604b93;
  --color-explorer-of-the-galaxies-800: #45376f;
  --color-explorer-of-the-galaxies-900: #30264e;
  --color-explorer-of-the-galaxies-950: #1c1434;
}

SCSS

$explorer-of-the-galaxies: #42207a;
$explorer-of-the-galaxies-rgb: 66, 32, 122;
$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);
}