Savoy Blue

CSS

:root {
  --savoy-blue: #4b61d1;
  --savoy-blue-rgb: 75 97 209;
  --savoy-blue-oklch: oklch(0.537 0.174 271);
}

.element {
  color: var(--savoy-blue);
  background-color: hsl(230 59% 56%);
  border-color: oklch(0.537 0.174 271);
}

Tailwind CSS v4

@theme {
  --color-savoy-blue: #4b61d1;
  --color-savoy-blue-50: #e4f3ff;
  --color-savoy-blue-100: #d4e5ff;
  --color-savoy-blue-200: #bccfff;
  --color-savoy-blue-300: #9ab0ff;
  --color-savoy-blue-400: #7995ff;
  --color-savoy-blue-500: #5e78f7;
  --color-savoy-blue-600: #5066d0;
  --color-savoy-blue-700: #3f52a8;
  --color-savoy-blue-800: #2a3c7e;
  --color-savoy-blue-900: #1c2959;
  --color-savoy-blue-950: #0d163c;
}

SCSS

$savoy-blue: #4b61d1;
$savoy-blue-rgb: 75, 97, 209;
$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);
}