#573D49

CSS

:root {
  --plum-intended: #573d49;
  --plum-intended-rgb: 87 61 73;
  --plum-intended-oklch: oklch(0.393 0.041 349.8);
}

.element {
  color: var(--plum-intended);
  background-color: hsl(332 18% 29%);
  border-color: oklch(0.393 0.041 349.8);
}

Tailwind CSS v4

@theme {
  --color-plum-intended: #573d49;
  --color-plum-intended-50: #fff1f6;
  --color-plum-intended-100: #f4e3e9;
  --color-plum-intended-200: #e3cdd6;
  --color-plum-intended-300: #c9afba;
  --color-plum-intended-400: #b295a2;
  --color-plum-intended-500: #9c7b8a;
  --color-plum-intended-600: #846975;
  --color-plum-intended-700: #6a545d;
  --color-plum-intended-800: #4d3d45;
  --color-plum-intended-900: #362a30;
  --color-plum-intended-950: #21171c;
}

SCSS

$plum-intended: #573d49;
$plum-intended-rgb: 87, 61, 73;
$plum-intended-light: mix(#fff, $plum-intended, 20%);
$plum-intended-dark: mix(#000, $plum-intended, 20%);

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