#856D88

CSS

:root {
  --sunshone-plum: #856d88;
  --sunshone-plum-rgb: 133 109 136;
  --sunshone-plum-oklch: oklch(0.567 0.05 322.6);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(293 11% 48%);
  border-color: oklch(0.567 0.05 322.6);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #856d88;
  --color-sunshone-plum-50: #fdf1fd;
  --color-sunshone-plum-100: #f1e3f1;
  --color-sunshone-plum-200: #e0cde0;
  --color-sunshone-plum-300: #c5afc6;
  --color-sunshone-plum-400: #ad95b0;
  --color-sunshone-plum-500: #967b9a;
  --color-sunshone-plum-600: #7f6982;
  --color-sunshone-plum-700: #665468;
  --color-sunshone-plum-800: #4a3d4d;
  --color-sunshone-plum-900: #342a36;
  --color-sunshone-plum-950: #1f1721;
}

SCSS

$sunshone-plum: #856d88;
$sunshone-plum-rgb: 133, 109, 136;
$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);
}