#432726

CSS

:root {
  --brown-coffee: #432726;
  --brown-coffee-rgb: 67 39 38;
  --brown-coffee-oklch: oklch(0.308 0.043 22);
}

.element {
  color: var(--brown-coffee);
  background-color: hsl(2 28% 21%);
  border-color: oklch(0.308 0.043 22);
}

Tailwind CSS v4

@theme {
  --color-brown-coffee: #432726;
  --color-brown-coffee-50: #fff1ef;
  --color-brown-coffee-100: #f6e3e1;
  --color-brown-coffee-200: #e6cecb;
  --color-brown-coffee-300: #cdafad;
  --color-brown-coffee-400: #b79593;
  --color-brown-coffee-500: #a17b79;
  --color-brown-coffee-600: #886967;
  --color-brown-coffee-700: #6d5452;
  --color-brown-coffee-800: #503d3c;
  --color-brown-coffee-900: #382a29;
  --color-brown-coffee-950: #221717;
}

SCSS

$brown-coffee: #432726;
$brown-coffee-rgb: 67, 39, 38;
$brown-coffee-light: mix(#fff, $brown-coffee, 20%);
$brown-coffee-dark: mix(#000, $brown-coffee, 20%);

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