#402500

CSS

:root {
  --medium-roast: #402500;
  --medium-roast-rgb: 64 37 0;
  --medium-roast-oklch: oklch(0.292 0.064 69.1);
}

.element {
  color: var(--medium-roast);
  background-color: hsl(35 100% 13%);
  border-color: oklch(0.292 0.064 69.1);
}

Tailwind CSS v4

@theme {
  --color-medium-roast: #402500;
  --color-medium-roast-50: #fff3e2;
  --color-medium-roast-100: #f6e5d1;
  --color-medium-roast-200: #e6d0b7;
  --color-medium-roast-300: #cdb394;
  --color-medium-roast-400: #b89876;
  --color-medium-roast-500: #a27f57;
  --color-medium-roast-600: #896b4a;
  --color-medium-roast-700: #6e563b;
  --color-medium-roast-800: #513e2a;
  --color-medium-roast-900: #392b1c;
  --color-medium-roast-950: #23180d;
}

SCSS

$medium-roast: #402500;
$medium-roast-rgb: 64, 37, 0;
$medium-roast-light: mix(#fff, $medium-roast, 20%);
$medium-roast-dark: mix(#000, $medium-roast, 20%);

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