Radical Red

CSS

:root {
  --radical-red: #ff355e;
  --radical-red-rgb: 255 53 94;
  --radical-red-oklch: oklch(0.656 0.233 16.1);
}

.element {
  color: var(--radical-red);
  background-color: hsl(348 100% 60%);
  border-color: oklch(0.656 0.233 16.1);
}

Tailwind CSS v4

@theme {
  --color-radical-red: #ff355e;
  --color-radical-red-50: #ffdbdc;
  --color-radical-red-100: #ffc8ca;
  --color-radical-red-200: #ffa9ae;
  --color-radical-red-300: #ff7e89;
  --color-radical-red-400: #ff506e;
  --color-radical-red-500: #fa004e;
  --color-radical-red-600: #d30042;
  --color-radical-red-700: #aa0335;
  --color-radical-red-800: #7f0029;
  --color-radical-red-900: #5a031b;
  --color-radical-red-950: #3c000c;
}

SCSS

$radical-red: #ff355e;
$radical-red-rgb: 255, 53, 94;
$radical-red-light: mix(#fff, $radical-red, 20%);
$radical-red-dark: mix(#000, $radical-red, 20%);

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