#81637E

CSS

:root {
  --sunshone-plum: #81637e;
  --sunshone-plum-rgb: 129 99 126;
  --sunshone-plum-oklch: oklch(0.539 0.055 329.7);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(306 13% 45%);
  border-color: oklch(0.539 0.055 329.7);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #81637e;
  --color-sunshone-plum-50: #fff0fc;
  --color-sunshone-plum-100: #f4e2f0;
  --color-sunshone-plum-200: #e3ccdf;
  --color-sunshone-plum-300: #c9aec4;
  --color-sunshone-plum-400: #b293ae;
  --color-sunshone-plum-500: #9b7998;
  --color-sunshone-plum-600: #836780;
  --color-sunshone-plum-700: #695267;
  --color-sunshone-plum-800: #4d3c4c;
  --color-sunshone-plum-900: #362935;
  --color-sunshone-plum-950: #211720;
}

SCSS

$sunshone-plum: #81637e;
$sunshone-plum-rgb: 129, 99, 126;
$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);
}