Classy Red

CSS

:root {
  --classy-red: #911f21;
  --classy-red-rgb: 145 31 33;
  --classy-red-oklch: oklch(0.432 0.15 25.4);
}

.element {
  color: var(--classy-red);
  background-color: hsl(359 65% 35%);
  border-color: oklch(0.432 0.15 25.4);
}

Tailwind CSS v4

@theme {
  --color-classy-red: #911f21;
  --color-classy-red-50: #ffe6de;
  --color-classy-red-100: #ffd6cd;
  --color-classy-red-200: #ffbcb1;
  --color-classy-red-300: #fb998d;
  --color-classy-red-400: #ea7870;
  --color-classy-red-500: #d75650;
  --color-classy-red-600: #b64945;
  --color-classy-red-700: #923a36;
  --color-classy-red-800: #6d2929;
  --color-classy-red-900: #4d1c1b;
  --color-classy-red-950: #320b0c;
}

SCSS

$classy-red: #911f21;
$classy-red-rgb: 145, 31, 33;
$classy-red-light: mix(#fff, $classy-red, 20%);
$classy-red-dark: mix(#000, $classy-red, 20%);

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