#896D91

CSS

:root {
  --sunshone-plum: #896d91;
  --sunshone-plum-rgb: 137 109 145;
  --sunshone-plum-oklch: oklch(0.575 0.063 318.6);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(287 14% 50%);
  border-color: oklch(0.575 0.063 318.6);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #896d91;
  --color-sunshone-plum-50: #fef0ff;
  --color-sunshone-plum-100: #f2e1f5;
  --color-sunshone-plum-200: #e1cce5;
  --color-sunshone-plum-300: #c7adcc;
  --color-sunshone-plum-400: #af93b7;
  --color-sunshone-plum-500: #9879a1;
  --color-sunshone-plum-600: #816788;
  --color-sunshone-plum-700: #67526d;
  --color-sunshone-plum-800: #4b3c51;
  --color-sunshone-plum-900: #342939;
  --color-sunshone-plum-950: #201723;
}

SCSS

$sunshone-plum: #896d91;
$sunshone-plum-rgb: 137, 109, 145;
$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);
}