#896D92

CSS

:root {
  --sunshone-plum: #896d92;
  --sunshone-plum-rgb: 137 109 146;
  --sunshone-plum-oklch: oklch(0.575 0.065 317.8);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(285 15% 50%);
  border-color: oklch(0.575 0.065 317.8);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #896d92;
  --color-sunshone-plum-50: #fef0ff;
  --color-sunshone-plum-100: #f2e1f6;
  --color-sunshone-plum-200: #e1cce6;
  --color-sunshone-plum-300: #c6adcc;
  --color-sunshone-plum-400: #af93b8;
  --color-sunshone-plum-500: #9879a2;
  --color-sunshone-plum-600: #816689;
  --color-sunshone-plum-700: #67526e;
  --color-sunshone-plum-800: #4b3c52;
  --color-sunshone-plum-900: #342939;
  --color-sunshone-plum-950: #201723;
}

SCSS

$sunshone-plum: #896d92;
$sunshone-plum-rgb: 137, 109, 146;
$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);
}