Coronation Blue

CSS

:root {
  --coronation-blue: #59529c;
  --coronation-blue-rgb: 89 82 156;
  --coronation-blue-oklch: oklch(0.481 0.116 285.5);
}

.element {
  color: var(--coronation-blue);
  background-color: hsl(246 31% 47%);
  border-color: oklch(0.481 0.116 285.5);
}

Tailwind CSS v4

@theme {
  --color-coronation-blue: #59529c;
  --color-coronation-blue-50: #f2f1ff;
  --color-coronation-blue-100: #e5e3ff;
  --color-coronation-blue-200: #d1cdff;
  --color-coronation-blue-300: #b3aef0;
  --color-coronation-blue-400: #9894e0;
  --color-coronation-blue-500: #8079cf;
  --color-coronation-blue-600: #6c67af;
  --color-coronation-blue-700: #56528c;
  --color-coronation-blue-800: #3d3c69;
  --color-coronation-blue-900: #2a294a;
  --color-coronation-blue-950: #181731;
}

SCSS

$coronation-blue: #59529c;
$coronation-blue-rgb: 89, 82, 156;
$coronation-blue-light: mix(#fff, $coronation-blue, 20%);
$coronation-blue-dark: mix(#000, $coronation-blue, 20%);

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