Red Red Red

CSS

:root {
  --red-red-red: #91403d;
  --red-red-red-rgb: 145 64 61;
  --red-red-red-oklch: oklch(0.478 0.111 24.3);
}

.element {
  color: var(--red-red-red);
  background-color: hsl(2 41% 40%);
  border-color: oklch(0.478 0.111 24.3);
}

Tailwind CSS v4

@theme {
  --color-red-red-red: #91403d;
  --color-red-red-red-50: #ffeae5;
  --color-red-red-red-100: #ffdbd5;
  --color-red-red-red-200: #ffc3bc;
  --color-red-red-red-300: #eba29a;
  --color-red-red-red-400: #d8847e;
  --color-red-red-red-500: #c56661;
  --color-red-red-red-600: #a65753;
  --color-red-red-red-700: #864542;
  --color-red-red-red-800: #633231;
  --color-red-red-red-900: #462221;
  --color-red-red-red-950: #2d1110;
}

SCSS

$red-red-red: #91403d;
$red-red-red-rgb: 145, 64, 61;
$red-red-red-light: mix(#fff, $red-red-red, 20%);
$red-red-red-dark: mix(#000, $red-red-red, 20%);

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