#2F0E97

CSS

:root {
  --dramatic-blue: #2f0e97;
  --dramatic-blue-rgb: 47 14 151;
  --dramatic-blue-oklch: oklch(0.339 0.194 279.4);
}

.element {
  color: var(--dramatic-blue);
  background-color: hsl(254 83% 32%);
  border-color: oklch(0.339 0.194 279.4);
}

Tailwind CSS v4

@theme {
  --color-dramatic-blue: #2f0e97;
  --color-dramatic-blue-50: #ebefff;
  --color-dramatic-blue-100: #dce1ff;
  --color-dramatic-blue-200: #c6caff;
  --color-dramatic-blue-300: #a8a9ff;
  --color-dramatic-blue-400: #898dff;
  --color-dramatic-blue-500: #716dff;
  --color-dramatic-blue-600: #605dd9;
  --color-dramatic-blue-700: #4c4baf;
  --color-dramatic-blue-800: #353783;
  --color-dramatic-blue-900: #24265d;
  --color-dramatic-blue-950: #13133f;
}

SCSS

$dramatic-blue: #2f0e97;
$dramatic-blue-rgb: 47, 14, 151;
$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);
}