#A8624F

CSS

:root {
  --red-cent: #a8624f;
  --red-cent-rgb: 168 98 79;
  --red-cent-oklch: oklch(0.571 0.096 36);
}

.element {
  color: var(--red-cent);
  background-color: hsl(13 36% 48%);
  border-color: oklch(0.571 0.096 36);
}

Tailwind CSS v4

@theme {
  --color-red-cent: #a8624f;
  --color-red-cent-50: #ffece2;
  --color-red-cent-100: #ffded1;
  --color-red-cent-200: #fac7b7;
  --color-red-cent-300: #e3a794;
  --color-red-cent-400: #d08a77;
  --color-red-cent-500: #bc6e59;
  --color-red-cent-600: #9f5d4b;
  --color-red-cent-700: #804a3c;
  --color-red-cent-800: #5f352c;
  --color-red-cent-900: #43251d;
  --color-red-cent-950: #2b130e;
}

SCSS

$red-cent: #a8624f;
$red-cent-rgb: 168, 98, 79;
$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);
}