#D9BEE7

CSS

:root {
  --york-plum: #d9bee7;
  --york-plum-rgb: 217 190 231;
  --york-plum-oklch: oklch(0.837 0.063 314.1);
}

.element {
  color: var(--york-plum);
  background-color: hsl(280 46% 83%);
  border-color: oklch(0.837 0.063 314.1);
}

Tailwind CSS v4

@theme {
  --color-york-plum: #d9bee7;
  --color-york-plum-50: #fdf0ff;
  --color-york-plum-100: #f0e2f7;
  --color-york-plum-200: #dfcce7;
  --color-york-plum-300: #c4aece;
  --color-york-plum-400: #ac94b9;
  --color-york-plum-500: #967aa4;
  --color-york-plum-600: #7f678a;
  --color-york-plum-700: #65526f;
  --color-york-plum-800: #4a3c52;
  --color-york-plum-900: #332939;
  --color-york-plum-950: #1f1724;
}

SCSS

$york-plum: #d9bee7;
$york-plum-rgb: 217, 190, 231;
$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);
}