#8949D9

CSS

:root {
  --purple-rain: #8949d9;
  --purple-rain-rgb: 137 73 217;
  --purple-rain-oklch: oklch(0.557 0.21 300);
}

.element {
  color: var(--purple-rain);
  background-color: hsl(267 65% 57%);
  border-color: oklch(0.557 0.21 300);
}

Tailwind CSS v4

@theme {
  --color-purple-rain: #8949d9;
  --color-purple-rain-50: #ffe8ff;
  --color-purple-rain-100: #f5d8ff;
  --color-purple-rain-200: #e5beff;
  --color-purple-rain-300: #cc9bff;
  --color-purple-rain-400: #b37bff;
  --color-purple-rain-500: #9e57f9;
  --color-purple-rain-600: #864bd2;
  --color-purple-rain-700: #6b3ca9;
  --color-purple-rain-800: #4d2b80;
  --color-purple-rain-900: #351d5a;
  --color-purple-rain-950: #210c3d;
}

SCSS

$purple-rain: #8949d9;
$purple-rain-rgb: 137, 73, 217;
$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);
}