Real Red

CSS

:root {
  --real-red: #a90308;
  --real-red-rgb: 169 3 8;
  --real-red-oklch: oklch(0.463 0.188 28.4);
}

.element {
  color: var(--real-red);
  background-color: hsl(358 97% 34%);
  border-color: oklch(0.463 0.188 28.4);
}

Tailwind CSS v4

@theme {
  --color-real-red: #a90308;
  --color-real-red-50: #ffe2d5;
  --color-real-red-100: #ffd1c3;
  --color-real-red-200: #ffb5a4;
  --color-real-red-300: #ff8f7c;
  --color-real-red-400: #fa6a5c;
  --color-real-red-500: #e84035;
  --color-real-red-600: #c4382e;
  --color-real-red-700: #9e2d25;
  --color-real-red-800: #761e1c;
  --color-real-red-900: #531412;
  --color-real-red-950: #370405;
}

SCSS

$real-red: #a90308;
$real-red-rgb: 169, 3, 8;
$real-red-light: mix(#fff, $real-red, 20%);
$real-red-dark: mix(#000, $real-red, 20%);

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