#816284

CSS

:root {
  --sunshone-plum: #816284;
  --sunshone-plum-rgb: 129 98 132;
  --sunshone-plum-oklch: oklch(0.54 0.064 323.5);
}

.element {
  color: var(--sunshone-plum);
  background-color: hsl(295 15% 45%);
  border-color: oklch(0.54 0.064 323.5);
}

Tailwind CSS v4

@theme {
  --color-sunshone-plum: #816284;
  --color-sunshone-plum-50: #ffefff;
  --color-sunshone-plum-100: #f4e1f4;
  --color-sunshone-plum-200: #e3cbe3;
  --color-sunshone-plum-300: #c9adc9;
  --color-sunshone-plum-400: #b192b4;
  --color-sunshone-plum-500: #9b789f;
  --color-sunshone-plum-600: #836686;
  --color-sunshone-plum-700: #69516b;
  --color-sunshone-plum-800: #4d3b50;
  --color-sunshone-plum-900: #352938;
  --color-sunshone-plum-950: #201622;
}

SCSS

$sunshone-plum: #816284;
$sunshone-plum-rgb: 129, 98, 132;
$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);
}