#7D68B5

CSS

:root {
  --lavish-spending: #7d68b5;
  --lavish-spending-rgb: 125 104 181;
  --lavish-spending-oklch: oklch(0.571 0.117 295);
}

.element {
  color: var(--lavish-spending);
  background-color: hsl(256 34% 56%);
  border-color: oklch(0.571 0.117 295);
}

Tailwind CSS v4

@theme {
  --color-lavish-spending: #7d68b5;
  --color-lavish-spending-50: #f8efff;
  --color-lavish-spending-100: #ebe0ff;
  --color-lavish-spending-200: #d9caff;
  --color-lavish-spending-300: #bdabed;
  --color-lavish-spending-400: #a390dc;
  --color-lavish-spending-500: #8c75cb;
  --color-lavish-spending-600: #7763ab;
  --color-lavish-spending-700: #5f4f8a;
  --color-lavish-spending-800: #443a67;
  --color-lavish-spending-900: #2f2848;
  --color-lavish-spending-950: #1c152f;
}

SCSS

$lavish-spending: #7d68b5;
$lavish-spending-rgb: 125, 104, 181;
$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);
}