Scarlet Red

CSS

:root {
  --scarlet-red: #b63e36;
  --scarlet-red-rgb: 182 62 54;
  --scarlet-red-oklch: oklch(0.533 0.157 27.5);
}

.element {
  color: var(--scarlet-red);
  background-color: hsl(4 54% 46%);
  border-color: oklch(0.533 0.157 27.5);
}

Tailwind CSS v4

@theme {
  --color-scarlet-red: #b63e36;
  --color-scarlet-red-50: #ffe5db;
  --color-scarlet-red-100: #ffd5ca;
  --color-scarlet-red-200: #ffbbad;
  --color-scarlet-red-300: #fd9788;
  --color-scarlet-red-400: #ed766a;
  --color-scarlet-red-500: #db5348;
  --color-scarlet-red-600: #b9473e;
  --color-scarlet-red-700: #943931;
  --color-scarlet-red-800: #6f2825;
  --color-scarlet-red-900: #4e1b18;
  --color-scarlet-red-950: #330a09;
}

SCSS

$scarlet-red: #b63e36;
$scarlet-red-rgb: 182, 62, 54;
$scarlet-red-light: mix(#fff, $scarlet-red, 20%);
$scarlet-red-dark: mix(#000, $scarlet-red, 20%);

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