#8668B4

CSS

:root {
  --lavish-spending: #8668b4;
  --lavish-spending-rgb: 134 104 180;
  --lavish-spending-oklch: oklch(0.579 0.117 301);
}

.element {
  color: var(--lavish-spending);
  background-color: hsl(264 34% 56%);
  border-color: oklch(0.579 0.117 301);
}

Tailwind CSS v4

@theme {
  --color-lavish-spending: #8668b4;
  --color-lavish-spending-50: #fceeff;
  --color-lavish-spending-100: #efdfff;
  --color-lavish-spending-200: #dec9fe;
  --color-lavish-spending-300: #c3a9e9;
  --color-lavish-spending-400: #aa8ed9;
  --color-lavish-spending-500: #9472c7;
  --color-lavish-spending-600: #7d61a8;
  --color-lavish-spending-700: #644d87;
  --color-lavish-spending-800: #483865;
  --color-lavish-spending-900: #322747;
  --color-lavish-spending-950: #1e152e;
}

SCSS

$lavish-spending: #8668b4;
$lavish-spending-rgb: 134, 104, 180;
$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);
}