#B59293

CSS

:root {
  --rosy-brown: #b59293;
  --rosy-brown-rgb: 181 146 147;
  --rosy-brown-oklch: oklch(0.693 0.042 16.3);
}

.element {
  color: var(--rosy-brown);
  background-color: hsl(358 19% 64%);
  border-color: oklch(0.693 0.042 16.3);
}

Tailwind CSS v4

@theme {
  --color-rosy-brown: #b59293;
  --color-rosy-brown-50: #fff1f0;
  --color-rosy-brown-100: #f6e3e2;
  --color-rosy-brown-200: #e6cdcd;
  --color-rosy-brown-300: #ccafaf;
  --color-rosy-brown-400: #b69596;
  --color-rosy-brown-500: #a07b7c;
  --color-rosy-brown-600: #886869;
  --color-rosy-brown-700: #6d5354;
  --color-rosy-brown-800: #503d3e;
  --color-rosy-brown-900: #382a2a;
  --color-rosy-brown-950: #221718;
}

SCSS

$rosy-brown: #b59293;
$rosy-brown-rgb: 181, 146, 147;
$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);
}