#B58785

CSS

:root {
  --rosy-brown: #b58785;
  --rosy-brown-rgb: 181 135 133;
  --rosy-brown-oklch: oklch(0.667 0.057 21.5);
}

.element {
  color: var(--rosy-brown);
  background-color: hsl(2 24% 62%);
  border-color: oklch(0.667 0.057 21.5);
}

Tailwind CSS v4

@theme {
  --color-rosy-brown: #b58785;
  --color-rosy-brown-50: #ffefed;
  --color-rosy-brown-100: #fbe1df;
  --color-rosy-brown-200: #eccbc9;
  --color-rosy-brown-300: #d3adaa;
  --color-rosy-brown-400: #be9290;
  --color-rosy-brown-500: #a97775;
  --color-rosy-brown-600: #8f6564;
  --color-rosy-brown-700: #72514f;
  --color-rosy-brown-800: #543b3a;
  --color-rosy-brown-900: #3b2828;
  --color-rosy-brown-950: #251616;
}

SCSS

$rosy-brown: #b58785;
$rosy-brown-rgb: 181, 135, 133;
$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);
}