Brigadier Blue

CSS

:root {
  --brigadier-blue: #0063a0;
  --brigadier-blue-rgb: 0 99 160;
  --brigadier-blue-oklch: oklch(0.484 0.124 245.9);
}

.element {
  color: var(--brigadier-blue);
  background-color: hsl(203 100% 31%);
  border-color: oklch(0.484 0.124 245.9);
}

Tailwind CSS v4

@theme {
  --color-brigadier-blue: #0063a0;
  --color-brigadier-blue-50: #daf9ff;
  --color-brigadier-blue-100: #c8ecff;
  --color-brigadier-blue-200: #aadaff;
  --color-brigadier-blue-300: #83bdf4;
  --color-brigadier-blue-400: #5ba5e3;
  --color-brigadier-blue-500: #2f8cd3;
  --color-brigadier-blue-600: #2a77b2;
  --color-brigadier-blue-700: #225f8f;
  --color-brigadier-blue-800: #13466a;
  --color-brigadier-blue-900: #0c314a;
  --color-brigadier-blue-950: #011c31;
}

SCSS

$brigadier-blue: #0063a0;
$brigadier-blue-rgb: 0, 99, 160;
$brigadier-blue-light: mix(#fff, $brigadier-blue, 20%);
$brigadier-blue-dark: mix(#000, $brigadier-blue, 20%);

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