Egyptian Blue

CSS

:root {
  --egyptian-blue: #1034a6;
  --egyptian-blue-rgb: 16 52 166;
  --egyptian-blue-oklch: oklch(0.389 0.186 264.7);
}

.element {
  color: var(--egyptian-blue);
  background-color: hsl(226 82% 36%);
  border-color: oklch(0.389 0.186 264.7);
}

Tailwind CSS v4

@theme {
  --color-egyptian-blue: #1034a6;
  --color-egyptian-blue-50: #ddf5ff;
  --color-egyptian-blue-100: #cce7ff;
  --color-egyptian-blue-200: #b0d2ff;
  --color-egyptian-blue-300: #8cb3ff;
  --color-egyptian-blue-400: #6798ff;
  --color-egyptian-blue-500: #477bff;
  --color-egyptian-blue-600: #3c69d7;
  --color-egyptian-blue-700: #3054ad;
  --color-egyptian-blue-800: #1d3e82;
  --color-egyptian-blue-900: #132b5c;
  --color-egyptian-blue-950: #06173f;
}

SCSS

$egyptian-blue: #1034a6;
$egyptian-blue-rgb: 16, 52, 166;
$egyptian-blue-light: mix(#fff, $egyptian-blue, 20%);
$egyptian-blue-dark: mix(#000, $egyptian-blue, 20%);

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