#8947DE

CSS

:root {
  --purple-rain: #8947de;
  --purple-rain-rgb: 137 71 222;
  --purple-rain-oklch: oklch(0.558 0.218 299.2);
}

.element {
  color: var(--purple-rain);
  background-color: hsl(266 70% 57%);
  border-color: oklch(0.558 0.218 299.2);
}

Tailwind CSS v4

@theme {
  --color-purple-rain: #8947de;
  --color-purple-rain-50: #ffe7ff;
  --color-purple-rain-100: #f4d7ff;
  --color-purple-rain-200: #e4beff;
  --color-purple-rain-300: #cb9aff;
  --color-purple-rain-400: #b279ff;
  --color-purple-rain-500: #9e54fe;
  --color-purple-rain-600: #8548d6;
  --color-purple-rain-700: #6b3aac;
  --color-purple-rain-800: #4d2a82;
  --color-purple-rain-900: #351c5c;
  --color-purple-rain-950: #210b3f;
}

SCSS

$purple-rain: #8947de;
$purple-rain-rgb: 137, 71, 222;
$purple-rain-light: mix(#fff, $purple-rain, 20%);
$purple-rain-dark: mix(#000, $purple-rain, 20%);

.element {
  color: $purple-rain;
  box-shadow: 0 0 0 2px rgba($purple-rain, 0.35);
}