#422A2A

CSS

:root {
  --dark-roast: #422a2a;
  --dark-roast-rgb: 66 42 42;
  --dark-roast-oklch: oklch(0.314 0.036 19.3);
}

.element {
  color: var(--dark-roast);
  background-color: hsl(0 22% 21%);
  border-color: oklch(0.314 0.036 19.3);
}

Tailwind CSS v4

@theme {
  --color-dark-roast: #422a2a;
  --color-dark-roast-50: #fff1f1;
  --color-dark-roast-100: #f4e3e3;
  --color-dark-roast-200: #e3cfcd;
  --color-dark-roast-300: #c9b1af;
  --color-dark-roast-400: #b39696;
  --color-dark-roast-500: #9d7d7d;
  --color-dark-roast-600: #856a69;
  --color-dark-roast-700: #6a5554;
  --color-dark-roast-800: #4e3e3e;
  --color-dark-roast-900: #362a2a;
  --color-dark-roast-950: #211818;
}

SCSS

$dark-roast: #422a2a;
$dark-roast-rgb: 66, 42, 42;
$dark-roast-light: mix(#fff, $dark-roast, 20%);
$dark-roast-dark: mix(#000, $dark-roast, 20%);

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