#6061C3

CSS

:root {
  --savoy-blue: #6061c3;
  --savoy-blue-rgb: 96 97 195;
  --savoy-blue-oklch: oklch(0.541 0.149 279.7);
}

.element {
  color: var(--savoy-blue);
  background-color: hsl(239 45% 57%);
  border-color: oklch(0.541 0.149 279.7);
}

Tailwind CSS v4

@theme {
  --color-savoy-blue: #6061c3;
  --color-savoy-blue-50: #edf1ff;
  --color-savoy-blue-100: #dfe3ff;
  --color-savoy-blue-200: #c9cdff;
  --color-savoy-blue-300: #abaeff;
  --color-savoy-blue-400: #8e93f4;
  --color-savoy-blue-500: #7577e6;
  --color-savoy-blue-600: #6365c2;
  --color-savoy-blue-700: #4f519c;
  --color-savoy-blue-800: #373b75;
  --color-savoy-blue-900: #262952;
  --color-savoy-blue-950: #141637;
}

SCSS

$savoy-blue: #6061c3;
$savoy-blue-rgb: 96, 97, 195;
$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);
}