Heidelberg Red

CSS

:root {
  --heidelberg-red: #960117;
  --heidelberg-red-rgb: 150 1 23;
  --heidelberg-red-oklch: oklch(0.425 0.171 24.5);
}

.element {
  color: var(--heidelberg-red);
  background-color: hsl(351 99% 30%);
  border-color: oklch(0.425 0.171 24.5);
}

Tailwind CSS v4

@theme {
  --color-heidelberg-red: #960117;
  --color-heidelberg-red-50: #ffe3db;
  --color-heidelberg-red-100: #ffd3ca;
  --color-heidelberg-red-200: #ffb8ad;
  --color-heidelberg-red-300: #ff9388;
  --color-heidelberg-red-400: #f3706a;
  --color-heidelberg-red-500: #e14949;
  --color-heidelberg-red-600: #be403f;
  --color-heidelberg-red-700: #993332;
  --color-heidelberg-red-800: #722325;
  --color-heidelberg-red-900: #511719;
  --color-heidelberg-red-950: #35070a;
}

SCSS

$heidelberg-red: #960117;
$heidelberg-red-rgb: 150, 1, 23;
$heidelberg-red-light: mix(#fff, $heidelberg-red, 20%);
$heidelberg-red-dark: mix(#000, $heidelberg-red, 20%);

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