Cadmium Blue

CSS

:root {
  --cadmium-blue: #0a1195;
  --cadmium-blue-rgb: 10 17 149;
  --cadmium-blue-oklch: oklch(0.318 0.199 266.2);
}

.element {
  color: var(--cadmium-blue);
  background-color: hsl(237 87% 31%);
  border-color: oklch(0.318 0.199 266.2);
}

Tailwind CSS v4

@theme {
  --color-cadmium-blue: #0a1195;
  --color-cadmium-blue-50: #ddf4ff;
  --color-cadmium-blue-100: #cbe6ff;
  --color-cadmium-blue-200: #b0d1ff;
  --color-cadmium-blue-300: #8cb1ff;
  --color-cadmium-blue-400: #6796ff;
  --color-cadmium-blue-500: #4878ff;
  --color-cadmium-blue-600: #3d66de;
  --color-cadmium-blue-700: #3152b3;
  --color-cadmium-blue-800: #1d3c86;
  --color-cadmium-blue-900: #13295f;
  --color-cadmium-blue-950: #061641;
}

SCSS

$cadmium-blue: #0a1195;
$cadmium-blue-rgb: 10, 17, 149;
$cadmium-blue-light: mix(#fff, $cadmium-blue, 20%);
$cadmium-blue-dark: mix(#000, $cadmium-blue, 20%);

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