Positive Red

CSS

:root {
  --positive-red: #ad2c34;
  --positive-red-rgb: 173 44 52;
  --positive-red-oklch: oklch(0.498 0.165 22.4);
}

.element {
  color: var(--positive-red);
  background-color: hsl(356 59% 43%);
  border-color: oklch(0.498 0.165 22.4);
}

Tailwind CSS v4

@theme {
  --color-positive-red: #ad2c34;
  --color-positive-red-50: #ffe4de;
  --color-positive-red-100: #ffd3cd;
  --color-positive-red-200: #ffb9b1;
  --color-positive-red-300: #ff948d;
  --color-positive-red-400: #f07170;
  --color-positive-red-500: #de4c51;
  --color-positive-red-600: #bc4245;
  --color-positive-red-700: #973537;
  --color-positive-red-800: #712529;
  --color-positive-red-900: #4f191c;
  --color-positive-red-950: #34080c;
}

SCSS

$positive-red: #ad2c34;
$positive-red-rgb: 173, 44, 52;
$positive-red-light: mix(#fff, $positive-red, 20%);
$positive-red-dark: mix(#000, $positive-red, 20%);

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