#8D6A96

CSS

:root {
  --sunshone-plum: #8d6a96;
  --sunshone-plum-rgb: 141 106 150;
  --sunshone-plum-oklch: oklch(0.575 0.078 319.3);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(288 17% 50%);
  border-color: oklch(0.575 0.078 319.3);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #8d6a96;
  --color-sunshone-plum-50: #ffeeff;
  --color-sunshone-plum-100: #f4e0f8;
  --color-sunshone-plum-200: #e4cae9;
  --color-sunshone-plum-300: #caabd0;
  --color-sunshone-plum-400: #b390bc;
  --color-sunshone-plum-500: #9d75a7;
  --color-sunshone-plum-600: #84648d;
  --color-sunshone-plum-700: #6a5071;
  --color-sunshone-plum-800: #4d3a54;
  --color-sunshone-plum-900: #36283b;
  --color-sunshone-plum-950: #211625;
}

SCSS

$sunshone-plum: #8d6a96;
$sunshone-plum-rgb: 141, 106, 150;
$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);
}