#8A6C95

CSS

:root {
  --sunshone-plum: #8a6c95;
  --sunshone-plum-rgb: 138 108 149;
  --sunshone-plum-oklch: oklch(0.575 0.071 316.8);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(284 16% 50%);
  border-color: oklch(0.575 0.071 316.8);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #8a6c95;
  --color-sunshone-plum-50: #feefff;
  --color-sunshone-plum-100: #f2e1f7;
  --color-sunshone-plum-200: #e2cbe8;
  --color-sunshone-plum-300: #c7accf;
  --color-sunshone-plum-400: #b092bb;
  --color-sunshone-plum-500: #9978a6;
  --color-sunshone-plum-600: #82658c;
  --color-sunshone-plum-700: #685170;
  --color-sunshone-plum-800: #4c3b53;
  --color-sunshone-plum-900: #35283a;
  --color-sunshone-plum-950: #201624;
}

SCSS

$sunshone-plum: #8a6c95;
$sunshone-plum-rgb: 138, 108, 149;
$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);
}