#8A6D8A

CSS

:root {
  --sunshone-plum: #8a6d8a;
  --sunshone-plum-rgb: 138 109 138;
  --sunshone-plum-oklch: oklch(0.573 0.056 326.3);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(300 12% 48%);
  border-color: oklch(0.573 0.056 326.3);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #8a6d8a;
  --color-sunshone-plum-50: #fff0fd;
  --color-sunshone-plum-100: #f3e2f1;
  --color-sunshone-plum-200: #e2cce0;
  --color-sunshone-plum-300: #c8aec6;
  --color-sunshone-plum-400: #b093b0;
  --color-sunshone-plum-500: #9a7a9a;
  --color-sunshone-plum-600: #826782;
  --color-sunshone-plum-700: #685268;
  --color-sunshone-plum-800: #4c3c4d;
  --color-sunshone-plum-900: #352936;
  --color-sunshone-plum-950: #201721;
}

SCSS

$sunshone-plum: #8a6d8a;
$sunshone-plum-rgb: 138, 109, 138;
$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);
}