Luxe Blue

CSS

:root {
  --luxe-blue: #516582;
  --luxe-blue-rgb: 81 101 130;
  --luxe-blue-oklch: oklch(0.502 0.053 257.6);
}

.element {
  color: var(--luxe-blue);
  background-color: hsl(216 23% 41%);
  border-color: oklch(0.502 0.053 257.6);
}

Tailwind CSS v4

@theme {
  --color-luxe-blue: #516582;
  --color-luxe-blue-50: #ecf6ff;
  --color-luxe-blue-100: #dee9fa;
  --color-luxe-blue-200: #c7d5eb;
  --color-luxe-blue-300: #a8b8d3;
  --color-luxe-blue-400: #8ba0be;
  --color-luxe-blue-500: #7088a9;
  --color-luxe-blue-600: #5f738f;
  --color-luxe-blue-700: #4c5c73;
  --color-luxe-blue-800: #364355;
  --color-luxe-blue-900: #252f3b;
  --color-luxe-blue-950: #141b25;
}

SCSS

$luxe-blue: #516582;
$luxe-blue-rgb: 81, 101, 130;
$luxe-blue-light: mix(#fff, $luxe-blue, 20%);
$luxe-blue-dark: mix(#000, $luxe-blue, 20%);

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