Holland Red

CSS

:root {
  --holland-red: #cb4543;
  --holland-red-rgb: 203 69 67;
  --holland-red-oklch: oklch(0.578 0.17 24.9);
}

.element {
  color: var(--holland-red);
  background-color: hsl(1 57% 53%);
  border-color: oklch(0.578 0.17 24.9);
}

Tailwind CSS v4

@theme {
  --color-holland-red: #cb4543;
  --color-holland-red-50: #ffe3db;
  --color-holland-red-100: #ffd3c9;
  --color-holland-red-200: #ffb8ad;
  --color-holland-red-300: #ff9387;
  --color-holland-red-400: #f2706a;
  --color-holland-red-500: #e14a49;
  --color-holland-red-600: #be403e;
  --color-holland-red-700: #993331;
  --color-holland-red-800: #722325;
  --color-holland-red-900: #501819;
  --color-holland-red-950: #350709;
}

SCSS

$holland-red: #cb4543;
$holland-red-rgb: 203, 69, 67;
$holland-red-light: mix(#fff, $holland-red, 20%);
$holland-red-dark: mix(#000, $holland-red, 20%);

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