#AB644E

CSS

:root {
  --red-cent: #ab644e;
  --red-cent-rgb: 171 100 78;
  --red-cent-oklch: oklch(0.578 0.098 38);
}

.element {
  color: var(--red-cent);
  background-color: hsl(14 37% 49%);
  border-color: oklch(0.578 0.098 38);
}

Tailwind CSS v4

@theme {
  --color-red-cent: #ab644e;
  --color-red-cent-50: #ffede0;
  --color-red-cent-100: #ffded0;
  --color-red-cent-200: #fac7b5;
  --color-red-cent-300: #e4a792;
  --color-red-cent-400: #d18a74;
  --color-red-cent-500: #bd6e55;
  --color-red-cent-600: #a05d49;
  --color-red-cent-700: #804a3a;
  --color-red-cent-800: #5f352a;
  --color-red-cent-900: #43241c;
  --color-red-cent-950: #2b130c;
}

SCSS

$red-cent: #ab644e;
$red-cent-rgb: 171, 100, 78;
$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);
}