#AC604A

CSS

:root {
  --red-cent: #ac604a;
  --red-cent-rgb: 172 96 74;
  --red-cent-oklch: oklch(0.572 0.105 37);
}

.element {
  color: var(--red-cent);
  background-color: hsl(13 40% 48%);
  border-color: oklch(0.572 0.105 37);
}

Tailwind CSS v4

@theme {
  --color-red-cent: #ac604a;
  --color-red-cent-50: #ffece0;
  --color-red-cent-100: #ffddcf;
  --color-red-cent-200: #fdc6b4;
  --color-red-cent-300: #e7a590;
  --color-red-cent-400: #d48872;
  --color-red-cent-500: #c16b53;
  --color-red-cent-600: #a35b47;
  --color-red-cent-700: #834938;
  --color-red-cent-800: #613429;
  --color-red-cent-900: #44241b;
  --color-red-cent-950: #2c120c;
}

SCSS

$red-cent: #ac604a;
$red-cent-rgb: 172, 96, 74;
$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);
}