#6060C6

CSS

:root {
  --savoy-blue: #6060c6;
  --savoy-blue-rgb: 96 96 198;
  --savoy-blue-oklch: oklch(0.542 0.155 279.9);
}

.element {
  color: var(--savoy-blue);
  background-color: hsl(240 47% 58%);
  border-color: oklch(0.542 0.155 279.9);
}

Tailwind CSS v4

@theme {
  --color-savoy-blue: #6060c6;
  --color-savoy-blue-50: #edf1ff;
  --color-savoy-blue-100: #dfe2ff;
  --color-savoy-blue-200: #c9cdff;
  --color-savoy-blue-300: #abadff;
  --color-savoy-blue-400: #8d92f7;
  --color-savoy-blue-500: #7575e9;
  --color-savoy-blue-600: #6364c5;
  --color-savoy-blue-700: #4f509e;
  --color-savoy-blue-800: #373b77;
  --color-savoy-blue-900: #252854;
  --color-savoy-blue-950: #141638;
}

SCSS

$savoy-blue: #6060c6;
$savoy-blue-rgb: 96, 96, 198;
$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);
}