#B49299

CSS

:root {
  --rosy-brown: #b49299;
  --rosy-brown-rgb: 180 146 153;
  --rosy-brown-oklch: oklch(0.693 0.042 4.4);
}

.element {
  color: var(--rosy-brown);
  background-color: hsl(348 18% 64%);
  border-color: oklch(0.693 0.042 4.4);
}

Tailwind CSS v4

@theme {
  --color-rosy-brown: #b49299;
  --color-rosy-brown-50: #fff0f3;
  --color-rosy-brown-100: #f5e2e5;
  --color-rosy-brown-200: #e5cdd1;
  --color-rosy-brown-300: #cbafb4;
  --color-rosy-brown-400: #b5959b;
  --color-rosy-brown-500: #9f7b83;
  --color-rosy-brown-600: #87686f;
  --color-rosy-brown-700: #6c5358;
  --color-rosy-brown-800: #4f3c41;
  --color-rosy-brown-900: #372a2d;
  --color-rosy-brown-950: #22171a;
}

SCSS

$rosy-brown: #b49299;
$rosy-brown-rgb: 180, 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);
}