#DB1647

CSS

:root {
  --red-herring: #db1647;
  --red-herring-rgb: 219 22 71;
  --red-herring-oklch: oklch(0.572 0.22 16.7);
}

.element {
  color: var(--red-herring);
  background-color: hsl(345 82% 47%);
  border-color: oklch(0.572 0.22 16.7);
}

Tailwind CSS v4

@theme {
  --color-red-herring: #db1647;
  --color-red-herring-50: #ffdcdd;
  --color-red-herring-100: #ffcacb;
  --color-red-herring-200: #ffacaf;
  --color-red-herring-300: #ff828a;
  --color-red-herring-400: #ff576f;
  --color-red-herring-500: #f5134f;
  --color-red-herring-600: #cf1844;
  --color-red-herring-700: #a71536;
  --color-red-herring-800: #7c0c29;
  --color-red-herring-900: #58081b;
  --color-red-herring-950: #3b000c;
}

SCSS

$red-herring: #db1647;
$red-herring-rgb: 219, 22, 71;
$red-herring-light: mix(#fff, $red-herring, 20%);
$red-herring-dark: mix(#000, $red-herring, 20%);

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