Soviet Red

CSS

:root {
  --soviet-red: #cd0000;
  --soviet-red-rgb: 205 0 0;
  --soviet-red-oklch: oklch(0.533 0.219 29.2);
}

.element {
  color: var(--soviet-red);
  background-color: hsl(0 100% 40%);
  border-color: oklch(0.533 0.219 29.2);
}

Tailwind CSS v4

@theme {
  --color-soviet-red: #cd0000;
  --color-soviet-red-50: #ffdfcf;
  --color-soviet-red-100: #ffcdbb;
  --color-soviet-red-200: #ffaf9a;
  --color-soviet-red-300: #ff876f;
  --color-soviet-red-400: #ff5d4b;
  --color-soviet-red-500: #f52117;
  --color-soviet-red-600: #cf2218;
  --color-soviet-red-700: #a71c13;
  --color-soviet-red-800: #7d1011;
  --color-soviet-red-900: #580b0a;
  --color-soviet-red-950: #3b0001;
}

SCSS

$soviet-red: #cd0000;
$soviet-red-rgb: 205, 0, 0;
$soviet-red-light: mix(#fff, $soviet-red, 20%);
$soviet-red-dark: mix(#000, $soviet-red, 20%);

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