#B34D20

CSS

:root {
  --funky-monkey: #b34d20;
  --funky-monkey-rgb: 179 77 32;
  --funky-monkey-oklch: oklch(0.546 0.145 41.9);
}

.element {
  color: var(--funky-monkey);
  background-color: hsl(18 70% 41%);
  border-color: oklch(0.546 0.145 41.9);
}

Tailwind CSS v4

@theme {
  --color-funky-monkey: #b34d20;
  --color-funky-monkey-50: #ffe9d4;
  --color-funky-monkey-100: #ffd9c1;
  --color-funky-monkey-200: #ffc1a2;
  --color-funky-monkey-300: #f59f79;
  --color-funky-monkey-400: #e47f56;
  --color-funky-monkey-500: #d25f2d;
  --color-funky-monkey-600: #b15128;
  --color-funky-monkey-700: #8f4020;
  --color-funky-monkey-800: #6b2d17;
  --color-funky-monkey-900: #4b1f0f;
  --color-funky-monkey-950: #310e03;
}

SCSS

$funky-monkey: #b34d20;
$funky-monkey-rgb: 179, 77, 32;
$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);
}