#AF6246

CSS

:root {
  --red-cent: #af6246;
  --red-cent-rgb: 175 98 70;
  --red-cent-oklch: oklch(0.578 0.108 40.5);
}

.element {
  color: var(--red-cent);
  background-color: hsl(16 43% 48%);
  border-color: oklch(0.578 0.108 40.5);
}

Tailwind CSS v4

@theme {
  --color-red-cent: #af6246;
  --color-red-cent-50: #ffecdd;
  --color-red-cent-100: #ffddcc;
  --color-red-cent-200: #fdc6b0;
  --color-red-cent-300: #e7a68b;
  --color-red-cent-400: #d5886c;
  --color-red-cent-500: #c16b4c;
  --color-red-cent-600: #a35b41;
  --color-red-cent-700: #834934;
  --color-red-cent-800: #623425;
  --color-red-cent-900: #452419;
  --color-red-cent-950: #2c120a;
}

SCSS

$red-cent: #af6246;
$red-cent-rgb: 175, 98, 70;
$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);
}