#B39299

CSS

:root {
  --rosy-brown: #b39299;
  --rosy-brown-rgb: 179 146 153;
  --rosy-brown-oklch: oklch(0.692 0.041 3.9);
}

.element {
  color: var(--rosy-brown);
  background-color: hsl(347 18% 64%);
  border-color: oklch(0.692 0.041 3.9);
}

Tailwind CSS v4

@theme {
  --color-rosy-brown: #b39299;
  --color-rosy-brown-50: #fff1f3;
  --color-rosy-brown-100: #f5e3e6;
  --color-rosy-brown-200: #e5cdd1;
  --color-rosy-brown-300: #cbafb4;
  --color-rosy-brown-400: #b4959c;
  --color-rosy-brown-500: #9e7b83;
  --color-rosy-brown-600: #86686f;
  --color-rosy-brown-700: #6b5359;
  --color-rosy-brown-800: #4f3d41;
  --color-rosy-brown-900: #372a2d;
  --color-rosy-brown-950: #22171a;
}

SCSS

$rosy-brown: #b39299;
$rosy-brown-rgb: 179, 146, 153;
$rosy-brown-light: mix(#fff, $rosy-brown, 20%);
$rosy-brown-dark: mix(#000, $rosy-brown, 20%);

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