#B44D17

CSS

:root {
  --funky-monkey: #b44d17;
  --funky-monkey-rgb: 180 77 23;
  --funky-monkey-oklch: oklch(0.547 0.148 43.8);
}

.element {
  color: var(--funky-monkey);
  background-color: hsl(21 77% 40%);
  border-color: oklch(0.547 0.148 43.8);
}

Tailwind CSS v4

@theme {
  --color-funky-monkey: #b44d17;
  --color-funky-monkey-50: #ffe9d2;
  --color-funky-monkey-100: #ffd9bf;
  --color-funky-monkey-200: #ffc19f;
  --color-funky-monkey-300: #f69f76;
  --color-funky-monkey-400: #e57f51;
  --color-funky-monkey-500: #d35e24;
  --color-funky-monkey-600: #b25121;
  --color-funky-monkey-700: #8f401a;
  --color-funky-monkey-800: #6b2d13;
  --color-funky-monkey-900: #4b1f0c;
  --color-funky-monkey-950: #310e01;
}

SCSS

$funky-monkey: #b44d17;
$funky-monkey-rgb: 180, 77, 23;
$funky-monkey-light: mix(#fff, $funky-monkey, 20%);
$funky-monkey-dark: mix(#000, $funky-monkey, 20%);

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