#856B94

CSS

:root {
  --sunshone-plum: #856b94;
  --sunshone-plum-rgb: 133 107 148;
  --sunshone-plum-oklch: oklch(0.568 0.069 312.9);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(278 16% 50%);
  border-color: oklch(0.568 0.069 312.9);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #856b94;
  --color-sunshone-plum-50: #fdf0ff;
  --color-sunshone-plum-100: #f1e1f8;
  --color-sunshone-plum-200: #e0cce9;
  --color-sunshone-plum-300: #c5add0;
  --color-sunshone-plum-400: #ad93bc;
  --color-sunshone-plum-500: #9679a7;
  --color-sunshone-plum-600: #7f668d;
  --color-sunshone-plum-700: #665271;
  --color-sunshone-plum-800: #4a3c54;
  --color-sunshone-plum-900: #33293b;
  --color-sunshone-plum-950: #1f1725;
}

SCSS

$sunshone-plum: #856b94;
$sunshone-plum-rgb: 133, 107, 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);
}