#906694

CSS

:root {
  --sunshone-plum: #906694;
  --sunshone-plum-rgb: 144 102 148;
  --sunshone-plum-oklch: oklch(0.57 0.085 323.6);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(295 18% 49%);
  border-color: oklch(0.57 0.085 323.6);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #906694;
  --color-sunshone-plum-50: #ffedff;
  --color-sunshone-plum-100: #f7dff8;
  --color-sunshone-plum-200: #e8c8e8;
  --color-sunshone-plum-300: #cfa9cf;
  --color-sunshone-plum-400: #b78ebb;
  --color-sunshone-plum-500: #a273a6;
  --color-sunshone-plum-600: #89618d;
  --color-sunshone-plum-700: #6e4e71;
  --color-sunshone-plum-800: #503854;
  --color-sunshone-plum-900: #38273b;
  --color-sunshone-plum-950: #221525;
}

SCSS

$sunshone-plum: #906694;
$sunshone-plum-rgb: 144, 102, 148;
$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);
}