Lost in Heaven

CSS

:root {
  --lost-in-heaven: #002489;
  --lost-in-heaven-rgb: 0 36 137;
  --lost-in-heaven-oklch: oklch(0.326 0.17 263.3);
}

.element {
  color: var(--lost-in-heaven);
  background-color: hsl(224 100% 27%);
  border-color: oklch(0.326 0.17 263.3);
}

Tailwind CSS v4

@theme {
  --color-lost-in-heaven: #002489;
  --color-lost-in-heaven-50: #def5ff;
  --color-lost-in-heaven-100: #cde8ff;
  --color-lost-in-heaven-200: #b1d3ff;
  --color-lost-in-heaven-300: #8db5ff;
  --color-lost-in-heaven-400: #689aff;
  --color-lost-in-heaven-500: #487ff5;
  --color-lost-in-heaven-600: #3d6bcf;
  --color-lost-in-heaven-700: #3156a6;
  --color-lost-in-heaven-800: #1e3f7c;
  --color-lost-in-heaven-900: #142c58;
  --color-lost-in-heaven-950: #06183b;
}

SCSS

$lost-in-heaven: #002489;
$lost-in-heaven-rgb: 0, 36, 137;
$lost-in-heaven-light: mix(#fff, $lost-in-heaven, 20%);
$lost-in-heaven-dark: mix(#000, $lost-in-heaven, 20%);

.element {
  color: $lost-in-heaven;
  box-shadow: 0 0 0 2px rgba($lost-in-heaven, 0.35);
}