Hóng Sè Red

CSS

:root {
  --hong-se-red: #ff0809;
  --hong-se-red-rgb: 255 8 9;
  --hong-se-red-oklch: oklch(0.63 0.256 29);
}

.element {
  color: var(--hong-se-red);
  background-color: hsl(360 100% 52%);
  border-color: oklch(0.63 0.256 29);
}

Tailwind CSS v4

@theme {
  --color-hong-se-red: #ff0809;
  --color-hong-se-red-50: #ffdac9;
  --color-hong-se-red-100: #ffc7b3;
  --color-hong-se-red-200: #ffa78f;
  --color-hong-se-red-300: #ff7a60;
  --color-hong-se-red-400: #ff4637;
  --color-hong-se-red-500: #ff0000;
  --color-hong-se-red-600: #dc0000;
  --color-hong-se-red-700: #b10000;
  --color-hong-se-red-800: #850001;
  --color-hong-se-red-900: #5e0002;
  --color-hong-se-red-950: #400000;
}

SCSS

$hong-se-red: #ff0809;
$hong-se-red-rgb: 255, 8, 9;
$hong-se-red-light: mix(#fff, $hong-se-red, 20%);
$hong-se-red-dark: mix(#000, $hong-se-red, 20%);

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