Dazzling Blue

CSS

:root {
  --dazzling-blue: #3850a0;
  --dazzling-blue-rgb: 56 80 160;
  --dazzling-blue-oklch: oklch(0.456 0.133 268.2);
}

.element {
  color: var(--dazzling-blue);
  background-color: hsl(226 48% 42%);
  border-color: oklch(0.456 0.133 268.2);
}

Tailwind CSS v4

@theme {
  --color-dazzling-blue: #3850a0;
  --color-dazzling-blue-50: #e6f4ff;
  --color-dazzling-blue-100: #d7e7ff;
  --color-dazzling-blue-200: #bed2ff;
  --color-dazzling-blue-300: #9db4fc;
  --color-dazzling-blue-400: #7d9aed;
  --color-dazzling-blue-500: #6180dd;
  --color-dazzling-blue-600: #526cbb;
  --color-dazzling-blue-700: #425796;
  --color-dazzling-blue-800: #2d4070;
  --color-dazzling-blue-900: #1e2c4f;
  --color-dazzling-blue-950: #0e1935;
}

SCSS

$dazzling-blue: #3850a0;
$dazzling-blue-rgb: 56, 80, 160;
$dazzling-blue-light: mix(#fff, $dazzling-blue, 20%);
$dazzling-blue-dark: mix(#000, $dazzling-blue, 20%);

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