#DAC1E6

CSS

:root {
  --york-plum: #dac1e6;
  --york-plum-rgb: 218 193 230;
  --york-plum-oklch: oklch(0.843 0.057 314.8);
}

.element {
  color: var(--york-plum);
  background-color: hsl(281 43% 83%);
  border-color: oklch(0.843 0.057 314.8);
}

Tailwind CSS v4

@theme {
  --color-york-plum: #dac1e6;
  --color-york-plum-50: #fcf0ff;
  --color-york-plum-100: #f0e2f5;
  --color-york-plum-200: #decde5;
  --color-york-plum-300: #c4afcb;
  --color-york-plum-400: #ab95b6;
  --color-york-plum-500: #957ba1;
  --color-york-plum-600: #7e6888;
  --color-york-plum-700: #65536d;
  --color-york-plum-800: #493d51;
  --color-york-plum-900: #332a38;
  --color-york-plum-950: #1f1723;
}

SCSS

$york-plum: #dac1e6;
$york-plum-rgb: 218, 193, 230;
$york-plum-light: mix(#fff, $york-plum, 20%);
$york-plum-dark: mix(#000, $york-plum, 20%);

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