Lannister Red

CSS

:root {
  --lannister-red: #cd0101;
  --lannister-red-rgb: 205 1 1;
  --lannister-red-oklch: oklch(0.533 0.218 29.2);
}

.element {
  color: var(--lannister-red);
  background-color: hsl(0 99% 40%);
  border-color: oklch(0.533 0.218 29.2);
}

Tailwind CSS v4

@theme {
  --color-lannister-red: #cd0101;
  --color-lannister-red-50: #ffdfcf;
  --color-lannister-red-100: #ffcdbb;
  --color-lannister-red-200: #ffaf9a;
  --color-lannister-red-300: #ff876f;
  --color-lannister-red-400: #ff5d4b;
  --color-lannister-red-500: #f52218;
  --color-lannister-red-600: #cf2218;
  --color-lannister-red-700: #a71c14;
  --color-lannister-red-800: #7d1111;
  --color-lannister-red-900: #580b0b;
  --color-lannister-red-950: #3b0001;
}

SCSS

$lannister-red: #cd0101;
$lannister-red-rgb: 205, 1, 1;
$lannister-red-light: mix(#fff, $lannister-red, 20%);
$lannister-red-dark: mix(#000, $lannister-red, 20%);

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