#7F63C6

CSS

:root {
  --lavish-spending: #7f63c6;
  --lavish-spending-rgb: 127 99 198;
  --lavish-spending-oklch: oklch(0.573 0.149 294.3);
}

.element {
  color: var(--lavish-spending);
  background-color: hsl(257 46% 58%);
  border-color: oklch(0.573 0.149 294.3);
}

Tailwind CSS v4

@theme {
  --color-lavish-spending: #7f63c6;
  --color-lavish-spending-50: #f8edff;
  --color-lavish-spending-100: #ecdeff;
  --color-lavish-spending-200: #dac8ff;
  --color-lavish-spending-300: #bea7fb;
  --color-lavish-spending-400: #a48bed;
  --color-lavish-spending-500: #8e6edd;
  --color-lavish-spending-600: #785ebb;
  --color-lavish-spending-700: #604b96;
  --color-lavish-spending-800: #453771;
  --color-lavish-spending-900: #2f254f;
  --color-lavish-spending-950: #1c1335;
}

SCSS

$lavish-spending: #7f63c6;
$lavish-spending-rgb: 127, 99, 198;
$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);
}