#966793

CSS

:root {
  --sunshone-plum: #966793;
  --sunshone-plum-rgb: 150 103 147;
  --sunshone-plum-oklch: oklch(0.578 0.086 328.8);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(304 19% 50%);
  border-color: oklch(0.578 0.086 328.8);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #966793;
  --color-sunshone-plum-50: #ffedff;
  --color-sunshone-plum-100: #fadef5;
  --color-sunshone-plum-200: #ebc7e6;
  --color-sunshone-plum-300: #d2a8cc;
  --color-sunshone-plum-400: #bb8cb8;
  --color-sunshone-plum-500: #a671a2;
  --color-sunshone-plum-600: #8c6089;
  --color-sunshone-plum-700: #704d6e;
  --color-sunshone-plum-800: #523852;
  --color-sunshone-plum-900: #392639;
  --color-sunshone-plum-950: #241423;
}

SCSS

$sunshone-plum: #966793;
$sunshone-plum-rgb: 150, 103, 147;
$sunshone-plum-light: mix(#fff, $sunshone-plum, 20%);
$sunshone-plum-dark: mix(#000, $sunshone-plum, 20%);

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