#7B69B6

CSS

:root {
  --lavish-spending: #7b69b6;
  --lavish-spending-rgb: 123 105 182;
  --lavish-spending-oklch: oklch(0.571 0.117 293.1);
}

.element {
  color: var(--lavish-spending);
  background-color: hsl(254 35% 56%);
  border-color: oklch(0.571 0.117 293.1);
}

Tailwind CSS v4

@theme {
  --color-lavish-spending: #7b69b6;
  --color-lavish-spending-50: #f7efff;
  --color-lavish-spending-100: #eae1ff;
  --color-lavish-spending-200: #d7cbff;
  --color-lavish-spending-300: #bbaced;
  --color-lavish-spending-400: #a191dd;
  --color-lavish-spending-500: #8a76cc;
  --color-lavish-spending-600: #7564ac;
  --color-lavish-spending-700: #5d508a;
  --color-lavish-spending-800: #433a67;
  --color-lavish-spending-900: #2e2849;
  --color-lavish-spending-950: #1b1630;
}

SCSS

$lavish-spending: #7b69b6;
$lavish-spending-rgb: 123, 105, 182;
$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);
}