#603B44

CSS

:root {
  --plum-intended: #603b44;
  --plum-intended-rgb: 96 59 68;
  --plum-intended-oklch: oklch(0.399 0.054 4);
}

.element {
  color: var(--plum-intended);
  background-color: hsl(345 24% 30%);
  border-color: oklch(0.399 0.054 4);
}

Tailwind CSS v4

@theme {
  --color-plum-intended: #603b44;
  --color-plum-intended-50: #ffeff3;
  --color-plum-intended-100: #f9e1e5;
  --color-plum-intended-200: #eacbd1;
  --color-plum-intended-300: #d1adb3;
  --color-plum-intended-400: #bb929b;
  --color-plum-intended-500: #a57882;
  --color-plum-intended-600: #8c656e;
  --color-plum-intended-700: #705158;
  --color-plum-intended-800: #533b41;
  --color-plum-intended-900: #3a282d;
  --color-plum-intended-950: #24161a;
}

SCSS

$plum-intended: #603b44;
$plum-intended-rgb: 96, 59, 68;
$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);
}