Star and Crescent Red

CSS

:root {
  --star-and-crescent-red: #c51f26;
  --star-and-crescent-red-rgb: 197 31 38;
  --star-and-crescent-red-oklch: oklch(0.531 0.199 25.8);
}

.element {
  color: var(--star-and-crescent-red);
  background-color: hsl(357 73% 45%);
  border-color: oklch(0.531 0.199 25.8);
}

Tailwind CSS v4

@theme {
  --color-star-and-crescent-red: #c51f26;
  --color-star-and-crescent-red-50: #ffe0d6;
  --color-star-and-crescent-red-100: #ffcfc3;
  --color-star-and-crescent-red-200: #ffb3a5;
  --color-star-and-crescent-red-300: #ff8c7d;
  --color-star-and-crescent-red-400: #fe655d;
  --color-star-and-crescent-red-500: #ed3638;
  --color-star-and-crescent-red-600: #c83031;
  --color-star-and-crescent-red-700: #a12727;
  --color-star-and-crescent-red-800: #781a1e;
  --color-star-and-crescent-red-900: #551113;
  --color-star-and-crescent-red-950: #390206;
}

SCSS

$star-and-crescent-red: #c51f26;
$star-and-crescent-red-rgb: 197, 31, 38;
$star-and-crescent-red-light: mix(#fff, $star-and-crescent-red, 20%);
$star-and-crescent-red-dark: mix(#000, $star-and-crescent-red, 20%);

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