#B16145

CSS

:root {
  --red-cent: #b16145;
  --red-cent-rgb: 177 97 69;
  --red-cent-oklch: oklch(0.579 0.112 39.9);
}

.element {
  color: var(--red-cent);
  background-color: hsl(16 44% 48%);
  border-color: oklch(0.579 0.112 39.9);
}

Tailwind CSS v4

@theme {
  --color-red-cent: #b16145;
  --color-red-cent-50: #ffecdd;
  --color-red-cent-100: #ffddcb;
  --color-red-cent-200: #ffc5af;
  --color-red-cent-300: #e9a58a;
  --color-red-cent-400: #d7876b;
  --color-red-cent-500: #c36a4a;
  --color-red-cent-600: #a55a40;
  --color-red-cent-700: #854833;
  --color-red-cent-800: #633325;
  --color-red-cent-900: #452318;
  --color-red-cent-950: #2d1209;
}

SCSS

$red-cent: #b16145;
$red-cent-rgb: 177, 97, 69;
$red-cent-light: mix(#fff, $red-cent, 20%);
$red-cent-dark: mix(#000, $red-cent, 20%);

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