#4A2D29

CSS

:root {
  --brown-coffee: #4a2d29;
  --brown-coffee-rgb: 74 45 41;
  --brown-coffee-oklch: oklch(0.332 0.044 28.2);
}

.element {
  color: var(--brown-coffee);
  background-color: hsl(7 29% 23%);
  border-color: oklch(0.332 0.044 28.2);
}

Tailwind CSS v4

@theme {
  --color-brown-coffee: #4a2d29;
  --color-brown-coffee-50: #fff1ee;
  --color-brown-coffee-100: #f6e3df;
  --color-brown-coffee-200: #e6cec9;
  --color-brown-coffee-300: #cdb0aa;
  --color-brown-coffee-400: #b79590;
  --color-brown-coffee-500: #a17c76;
  --color-brown-coffee-600: #886964;
  --color-brown-coffee-700: #6d5450;
  --color-brown-coffee-800: #513d3a;
  --color-brown-coffee-900: #382a28;
  --color-brown-coffee-950: #231716;
}

SCSS

$brown-coffee: #4a2d29;
$brown-coffee-rgb: 74, 45, 41;
$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);
}