Red Tape

CSS

:root {
  --red-tape: #cc1133;
  --red-tape-rgb: 204 17 51;
  --red-tape-oklch: oklch(0.539 0.21 21.2);
}

.element {
  color: var(--red-tape);
  background-color: hsl(349 85% 43%);
  border-color: oklch(0.539 0.21 21.2);
}

Tailwind CSS v4

@theme {
  --color-red-tape: #cc1133;
  --color-red-tape-50: #ffded9;
  --color-red-tape-100: #ffccc7;
  --color-red-tape-200: #ffafa9;
  --color-red-tape-300: #ff8783;
  --color-red-tape-400: #ff5e66;
  --color-red-tape-500: #f22743;
  --color-red-tape-600: #cc253a;
  --color-red-tape-700: #a41e2e;
  --color-red-tape-800: #7b1323;
  --color-red-tape-900: #570d17;
  --color-red-tape-950: #3a0008;
}

SCSS

$red-tape: #cc1133;
$red-tape-rgb: 204, 17, 51;
$red-tape-light: mix(#fff, $red-tape, 20%);
$red-tape-dark: mix(#000, $red-tape, 20%);

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