Gentian Blue

CSS

:root {
  --gentian-blue: #312297;
  --gentian-blue-rgb: 49 34 151;
  --gentian-blue-oklch: oklch(0.361 0.178 278.4);
}

.element {
  color: var(--gentian-blue);
  background-color: hsl(248 63% 36%);
  border-color: oklch(0.361 0.178 278.4);
}

Tailwind CSS v4

@theme {
  --color-gentian-blue: #312297;
  --color-gentian-blue-50: #ebf0ff;
  --color-gentian-blue-100: #dce2ff;
  --color-gentian-blue-200: #c6ccff;
  --color-gentian-blue-300: #a7acff;
  --color-gentian-blue-400: #8990ff;
  --color-gentian-blue-500: #7072f8;
  --color-gentian-blue-600: #5f61d1;
  --color-gentian-blue-700: #4b4da8;
  --color-gentian-blue-800: #34397e;
  --color-gentian-blue-900: #232759;
  --color-gentian-blue-950: #13143d;
}

SCSS

$gentian-blue: #312297;
$gentian-blue-rgb: 49, 34, 151;
$gentian-blue-light: mix(#fff, $gentian-blue, 20%);
$gentian-blue-dark: mix(#000, $gentian-blue, 20%);

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