Bohemian Blue

CSS

:root {
  --bohemian-blue: #0000aa;
  --bohemian-blue-rgb: 0 0 170;
  --bohemian-blue-oklch: oklch(0.334 0.231 264.1);
}

.element {
  color: var(--bohemian-blue);
  background-color: hsl(240 100% 33%);
  border-color: oklch(0.334 0.231 264.1);
}

Tailwind CSS v4

@theme {
  --color-bohemian-blue: #0000aa;
  --color-bohemian-blue-50: #d6f4ff;
  --color-bohemian-blue-100: #c4e6ff;
  --color-bohemian-blue-200: #a6d1ff;
  --color-bohemian-blue-300: #80b0ff;
  --color-bohemian-blue-400: #5694ff;
  --color-bohemian-blue-500: #3273ff;
  --color-bohemian-blue-600: #2b62ef;
  --color-bohemian-blue-700: #224fc0;
  --color-bohemian-blue-800: #0f3a90;
  --color-bohemian-blue-900: #092866;
  --color-bohemian-blue-950: #011547;
}

SCSS

$bohemian-blue: #0000aa;
$bohemian-blue-rgb: 0, 0, 170;
$bohemian-blue-light: mix(#fff, $bohemian-blue, 20%);
$bohemian-blue-dark: mix(#000, $bohemian-blue, 20%);

.element {
  color: $bohemian-blue;
  box-shadow: 0 0 0 2px rgba($bohemian-blue, 0.35);
}