#7C65B3

CSS

:root {
  --lavish-spending: #7c65b3;
  --lavish-spending-rgb: 124 101 179;
  --lavish-spending-oklch: oklch(0.563 0.119 295.9);
}

.element {
  color: var(--lavish-spending);
  background-color: hsl(258 34% 55%);
  border-color: oklch(0.563 0.119 295.9);
}

Tailwind CSS v4

@theme {
  --color-lavish-spending: #7c65b3;
  --color-lavish-spending-50: #f9efff;
  --color-lavish-spending-100: #ece0ff;
  --color-lavish-spending-200: #dacaff;
  --color-lavish-spending-300: #beaaed;
  --color-lavish-spending-400: #a58fdd;
  --color-lavish-spending-500: #8e74cc;
  --color-lavish-spending-600: #7862ac;
  --color-lavish-spending-700: #604e8a;
  --color-lavish-spending-800: #453967;
  --color-lavish-spending-900: #302749;
  --color-lavish-spending-950: #1c1530;
}

SCSS

$lavish-spending: #7c65b3;
$lavish-spending-rgb: 124, 101, 179;
$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);
}