Ruby Red

CSS

:root {
  --ruby-red: #9b111e;
  --ruby-red-rgb: 155 17 30;
  --ruby-red-oklch: oklch(0.442 0.169 24.3);
}

.element {
  color: var(--ruby-red);
  background-color: hsl(354 80% 34%);
  border-color: oklch(0.442 0.169 24.3);
}

Tailwind CSS v4

@theme {
  --color-ruby-red: #9b111e;
  --color-ruby-red-50: #ffe3dc;
  --color-ruby-red-100: #ffd3ca;
  --color-ruby-red-200: #ffb8ae;
  --color-ruby-red-300: #ff9389;
  --color-ruby-red-400: #f2706b;
  --color-ruby-red-500: #e04b4b;
  --color-ruby-red-600: #bd4140;
  --color-ruby-red-700: #983433;
  --color-ruby-red-800: #722426;
  --color-ruby-red-900: #501819;
  --color-ruby-red-950: #35080a;
}

SCSS

$ruby-red: #9b111e;
$ruby-red-rgb: 155, 17, 30;
$ruby-red-light: mix(#fff, $ruby-red, 20%);
$ruby-red-dark: mix(#000, $ruby-red, 20%);

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