#5E62C1

CSS

:root {
  --savoy-blue: #5e62c1;
  --savoy-blue-rgb: 94 98 193;
  --savoy-blue-oklch: oklch(0.541 0.145 278.5);
}

.element {
  color: var(--savoy-blue);
  background-color: hsl(238 44% 56%);
  border-color: oklch(0.541 0.145 278.5);
}

Tailwind CSS v4

@theme {
  --color-savoy-blue: #5e62c1;
  --color-savoy-blue-50: #edf1ff;
  --color-savoy-blue-100: #dee3ff;
  --color-savoy-blue-200: #c8ceff;
  --color-savoy-blue-300: #a9afff;
  --color-savoy-blue-400: #8c94f3;
  --color-savoy-blue-500: #7378e4;
  --color-savoy-blue-600: #6166c0;
  --color-savoy-blue-700: #4d519a;
  --color-savoy-blue-800: #363c74;
  --color-savoy-blue-900: #252952;
  --color-savoy-blue-950: #141637;
}

SCSS

$savoy-blue: #5e62c1;
$savoy-blue-rgb: 94, 98, 193;
$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);
}