#8366B2

CSS

:root {
  --lavish-spending: #8366b2;
  --lavish-spending-rgb: 131 102 178;
  --lavish-spending-oklch: oklch(0.571 0.117 300.3);
}

.element {
  color: var(--lavish-spending);
  background-color: hsl(263 33% 55%);
  border-color: oklch(0.571 0.117 300.3);
}

Tailwind CSS v4

@theme {
  --color-lavish-spending: #8366b2;
  --color-lavish-spending-50: #fbeeff;
  --color-lavish-spending-100: #efdfff;
  --color-lavish-spending-200: #ddc9ff;
  --color-lavish-spending-300: #c3a9ea;
  --color-lavish-spending-400: #a98ed9;
  --color-lavish-spending-500: #9372c8;
  --color-lavish-spending-600: #7c61a8;
  --color-lavish-spending-700: #634d87;
  --color-lavish-spending-800: #483865;
  --color-lavish-spending-900: #322747;
  --color-lavish-spending-950: #1e152e;
}

SCSS

$lavish-spending: #8366b2;
$lavish-spending-rgb: 131, 102, 178;
$lavish-spending-light: mix(#fff, $lavish-spending, 20%);
$lavish-spending-dark: mix(#000, $lavish-spending, 20%);

.element {
  color: $lavish-spending;
  box-shadow: 0 0 0 2px rgba($lavish-spending, 0.35);
}