#E02638

CSS

:root {
  --red-handed: #e02638;
  --red-handed-rgb: 224 38 56;
  --red-handed-oklch: oklch(0.586 0.217 23.2);
}

.element {
  color: var(--red-handed);
  background-color: hsl(354 75% 51%);
  border-color: oklch(0.586 0.217 23.2);
}

Tailwind CSS v4

@theme {
  --color-red-handed: #e02638;
  --color-red-handed-50: #ffded6;
  --color-red-handed-100: #ffccc3;
  --color-red-handed-200: #ffaea5;
  --color-red-handed-300: #ff857d;
  --color-red-handed-400: #ff5b5e;
  --color-red-handed-500: #f51e39;
  --color-red-handed-600: #cf1f32;
  --color-red-handed-700: #a61a27;
  --color-red-handed-800: #7c0f1e;
  --color-red-handed-900: #580a14;
  --color-red-handed-950: #3b0006;
}

SCSS

$red-handed: #e02638;
$red-handed-rgb: 224, 38, 56;
$red-handed-light: mix(#fff, $red-handed, 20%);
$red-handed-dark: mix(#000, $red-handed, 20%);

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