#684A4E

CSS

:root {
  --plum-intended: #684a4e;
  --plum-intended-rgb: 104 74 78;
  --plum-intended-oklch: oklch(0.443 0.041 10);
}

.element {
  color: var(--plum-intended);
  background-color: hsl(352 17% 35%);
  border-color: oklch(0.443 0.041 10);
}

Tailwind CSS v4

@theme {
  --color-plum-intended: #684a4e;
  --color-plum-intended-50: #fff1f2;
  --color-plum-intended-100: #f5e3e4;
  --color-plum-intended-200: #e5cdcf;
  --color-plum-intended-300: #ccafb2;
  --color-plum-intended-400: #b59599;
  --color-plum-intended-500: #9f7b80;
  --color-plum-intended-600: #87686c;
  --color-plum-intended-700: #6c5356;
  --color-plum-intended-800: #4f3d40;
  --color-plum-intended-900: #372a2c;
  --color-plum-intended-950: #221719;
}

SCSS

$plum-intended: #684a4e;
$plum-intended-rgb: 104, 74, 78;
$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);
}