Corsican Blue

CSS

:root {
  --corsican-blue: #646093;
  --corsican-blue-rgb: 100 96 147;
  --corsican-blue-oklch: oklch(0.514 0.08 286.8);
}

.element {
  color: var(--corsican-blue);
  background-color: hsl(245 21% 48%);
  border-color: oklch(0.514 0.08 286.8);
}

Tailwind CSS v4

@theme {
  --color-corsican-blue: #646093;
  --color-corsican-blue-50: #f4f2ff;
  --color-corsican-blue-100: #e6e4ff;
  --color-corsican-blue-200: #d2cff5;
  --color-corsican-blue-300: #b5b1de;
  --color-corsican-blue-400: #9b98cc;
  --color-corsican-blue-500: #827eb9;
  --color-corsican-blue-600: #6e6b9c;
  --color-corsican-blue-700: #58557d;
  --color-corsican-blue-800: #3f3e5d;
  --color-corsican-blue-900: #2c2b41;
  --color-corsican-blue-950: #19182a;
}

SCSS

$corsican-blue: #646093;
$corsican-blue-rgb: 100, 96, 147;
$corsican-blue-light: mix(#fff, $corsican-blue, 20%);
$corsican-blue-dark: mix(#000, $corsican-blue, 20%);

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