#8663CB

CSS

:root {
  --lavish-spending: #8663cb;
  --lavish-spending-rgb: 134 99 203;
  --lavish-spending-oklch: oklch(0.583 0.156 296.8);
}

.element {
  color: var(--lavish-spending);
  background-color: hsl(260 50% 59%);
  border-color: oklch(0.583 0.156 296.8);
}

Tailwind CSS v4

@theme {
  --color-lavish-spending: #8663cb;
  --color-lavish-spending-50: #fbecff;
  --color-lavish-spending-100: #eeddff;
  --color-lavish-spending-200: #ddc6ff;
  --color-lavish-spending-300: #c2a5fc;
  --color-lavish-spending-400: #a889ef;
  --color-lavish-spending-500: #926bdf;
  --color-lavish-spending-600: #7c5bbc;
  --color-lavish-spending-700: #634997;
  --color-lavish-spending-800: #473572;
  --color-lavish-spending-900: #312450;
  --color-lavish-spending-950: #1d1236;
}

SCSS

$lavish-spending: #8663cb;
$lavish-spending-rgb: 134, 99, 203;
$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);
}