Mazarine Blue

CSS

:root {
  --mazarine-blue: #2a407e;
  --mazarine-blue-rgb: 42 64 126;
  --mazarine-blue-oklch: oklch(0.389 0.108 266.7);
}

.element {
  color: var(--mazarine-blue);
  background-color: hsl(224 50% 33%);
  border-color: oklch(0.389 0.108 266.7);
}

Tailwind CSS v4

@theme {
  --color-mazarine-blue: #2a407e;
  --color-mazarine-blue-50: #e8f5ff;
  --color-mazarine-blue-100: #d9e7ff;
  --color-mazarine-blue-200: #c1d3ff;
  --color-mazarine-blue-300: #a0b6f0;
  --color-mazarine-blue-400: #819cdf;
  --color-mazarine-blue-500: #6583ce;
  --color-mazarine-blue-600: #566fae;
  --color-mazarine-blue-700: #44598c;
  --color-mazarine-blue-800: #304168;
  --color-mazarine-blue-900: #202d49;
  --color-mazarine-blue-950: #101a30;
}

SCSS

$mazarine-blue: #2a407e;
$mazarine-blue-rgb: 42, 64, 126;
$mazarine-blue-light: mix(#fff, $mazarine-blue, 20%);
$mazarine-blue-dark: mix(#000, $mazarine-blue, 20%);

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