Rare Blue

CSS

:root {
  --rare-blue: #0044ff;
  --rare-blue-rgb: 0 68 255;
  --rare-blue-oklch: oklch(0.507 0.277 263.7);
}

.element {
  color: var(--rare-blue);
  background-color: hsl(224 100% 50%);
  border-color: oklch(0.507 0.277 263.7);
}

Tailwind CSS v4

@theme {
  --color-rare-blue: #0044ff;
  --color-rare-blue-50: #cff4ff;
  --color-rare-blue-100: #bce6ff;
  --color-rare-blue-200: #9ccfff;
  --color-rare-blue-300: #73adff;
  --color-rare-blue-400: #438eff;
  --color-rare-blue-500: #1767ff;
  --color-rare-blue-600: #1659ff;
  --color-rare-blue-700: #1147d4;
  --color-rare-blue-800: #00359f;
  --color-rare-blue-900: #002471;
  --color-rare-blue-950: #001150;
}

SCSS

$rare-blue: #0044ff;
$rare-blue-rgb: 0, 68, 255;
$rare-blue-light: mix(#fff, $rare-blue, 20%);
$rare-blue-dark: mix(#000, $rare-blue, 20%);

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