Congress Blue

CSS

:root {
  --congress-blue: #02478e;
  --congress-blue-rgb: 2 71 142;
  --congress-blue-oklch: oklch(0.404 0.133 255.2);
}

.element {
  color: var(--congress-blue);
  background-color: hsl(210 97% 28%);
  border-color: oklch(0.404 0.133 255.2);
}

Tailwind CSS v4

@theme {
  --color-congress-blue: #02478e;
  --color-congress-blue-50: #def7ff;
  --color-congress-blue-100: #cceaff;
  --color-congress-blue-200: #b1d7ff;
  --color-congress-blue-300: #8cbafb;
  --color-congress-blue-400: #67a1eb;
  --color-congress-blue-500: #4387dc;
  --color-congress-blue-600: #3a72b9;
  --color-congress-blue-700: #2e5c95;
  --color-congress-blue-800: #1d436f;
  --color-congress-blue-900: #132f4e;
  --color-congress-blue-950: #051b34;
}

SCSS

$congress-blue: #02478e;
$congress-blue-rgb: 2, 71, 142;
$congress-blue-light: mix(#fff, $congress-blue, 20%);
$congress-blue-dark: mix(#000, $congress-blue, 20%);

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