Red Hot

CSS

:root {
  --red-hot: #dd0033;
  --red-hot-rgb: 221 0 51;
  --red-hot-oklch: oklch(0.567 0.228 21.7);
}

.element {
  color: var(--red-hot);
  background-color: hsl(346 100% 43%);
  border-color: oklch(0.567 0.228 21.7);
}

Tailwind CSS v4

@theme {
  --color-red-hot: #dd0033;
  --color-red-hot-50: #ffdcd6;
  --color-red-hot-100: #ffcac3;
  --color-red-hot-200: #ffaba5;
  --color-red-hot-300: #ff817d;
  --color-red-hot-400: #ff545f;
  --color-red-hot-500: #f9003a;
  --color-red-hot-600: #d30d32;
  --color-red-hot-700: #aa0d28;
  --color-red-hot-800: #7f061f;
  --color-red-hot-900: #5a0514;
  --color-red-hot-950: #3c0006;
}

SCSS

$red-hot: #dd0033;
$red-hot-rgb: 221, 0, 51;
$red-hot-light: mix(#fff, $red-hot, 20%);
$red-hot-dark: mix(#000, $red-hot, 20%);

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