#5962C9

CSS

:root {
  --savoy-blue: #5962c9;
  --savoy-blue-rgb: 89 98 201;
  --savoy-blue-oklch: oklch(0.542 0.158 276);
}

.element {
  color: var(--savoy-blue);
  background-color: hsl(235 51% 57%);
  border-color: oklch(0.542 0.158 276);
}

Tailwind CSS v4

@theme {
  --color-savoy-blue: #5962c9;
  --color-savoy-blue-50: #eaf2ff;
  --color-savoy-blue-100: #dbe4ff;
  --color-savoy-blue-200: #c4ceff;
  --color-savoy-blue-300: #a5afff;
  --color-savoy-blue-400: #8694fa;
  --color-savoy-blue-500: #6c77ec;
  --color-savoy-blue-600: #5c66c7;
  --color-savoy-blue-700: #4951a0;
  --color-savoy-blue-800: #323c78;
  --color-savoy-blue-900: #222955;
  --color-savoy-blue-950: #121639;
}

SCSS

$savoy-blue: #5962c9;
$savoy-blue-rgb: 89, 98, 201;
$savoy-blue-light: mix(#fff, $savoy-blue, 20%);
$savoy-blue-dark: mix(#000, $savoy-blue, 20%);

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