#8B698F

CSS

:root {
  --sunshone-plum: #8b698f;
  --sunshone-plum-rgb: 139 105 143;
  --sunshone-plum-oklch: oklch(0.568 0.07 322.9);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(294 15% 49%);
  border-color: oklch(0.568 0.07 322.9);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #8b698f;
  --color-sunshone-plum-50: #ffefff;
  --color-sunshone-plum-100: #f4e0f5;
  --color-sunshone-plum-200: #e4cbe5;
  --color-sunshone-plum-300: #caaccb;
  --color-sunshone-plum-400: #b391b7;
  --color-sunshone-plum-500: #9d77a1;
  --color-sunshone-plum-600: #856588;
  --color-sunshone-plum-700: #6a506d;
  --color-sunshone-plum-800: #4e3a51;
  --color-sunshone-plum-900: #362839;
  --color-sunshone-plum-950: #211623;
}

SCSS

$sunshone-plum: #8b698f;
$sunshone-plum-rgb: 139, 105, 143;
$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);
}