Rio Red

CSS

:root {
  --rio-red: #92242e;
  --rio-red-rgb: 146 36 46;
  --rio-red-oklch: oklch(0.441 0.145 20.8);
}

.element {
  color: var(--rio-red);
  background-color: hsl(355 60% 36%);
  border-color: oklch(0.441 0.145 20.8);
}

Tailwind CSS v4

@theme {
  --color-rio-red: #92242e;
  --color-rio-red-50: #ffe6e2;
  --color-rio-red-100: #ffd6d2;
  --color-rio-red-200: #ffbcb8;
  --color-rio-red-300: #f99995;
  --color-rio-red-400: #e77879;
  --color-rio-red-500: #d5575b;
  --color-rio-red-600: #b44a4e;
  --color-rio-red-700: #913b3e;
  --color-rio-red-800: #6c2a2e;
  --color-rio-red-900: #4c1c1f;
  --color-rio-red-950: #320c0f;
}

SCSS

$rio-red: #92242e;
$rio-red-rgb: 146, 36, 46;
$rio-red-light: mix(#fff, $rio-red, 20%);
$rio-red-dark: mix(#000, $rio-red, 20%);

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