Dramatic Blue

CSS

:root {
  --dramatic-blue: #240093;
  --dramatic-blue-rgb: 36 0 147;
  --dramatic-blue-oklch: oklch(0.317 0.198 275.4);
}

.element {
  color: var(--dramatic-blue);
  background-color: hsl(255 100% 29%);
  border-color: oklch(0.317 0.198 275.4);
}

Tailwind CSS v4

@theme {
  --color-dramatic-blue: #240093;
  --color-dramatic-blue-50: #e6f1ff;
  --color-dramatic-blue-100: #d7e2ff;
  --color-dramatic-blue-200: #bfccff;
  --color-dramatic-blue-300: #9fabff;
  --color-dramatic-blue-400: #808fff;
  --color-dramatic-blue-500: #6670ff;
  --color-dramatic-blue-600: #575fdd;
  --color-dramatic-blue-700: #454cb2;
  --color-dramatic-blue-800: #2f3885;
  --color-dramatic-blue-900: #1f265e;
  --color-dramatic-blue-950: #101441;
}

SCSS

$dramatic-blue: #240093;
$dramatic-blue-rgb: 36, 0, 147;
$dramatic-blue-light: mix(#fff, $dramatic-blue, 20%);
$dramatic-blue-dark: mix(#000, $dramatic-blue, 20%);

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