#8253C8

CSS

:root {
  --purple-rain: #8253c8;
  --purple-rain-rgb: 130 83 200;
  --purple-rain-oklch: oklch(0.551 0.175 299.1);
}

.element {
  color: var(--purple-rain);
  background-color: hsl(264 52% 55%);
  border-color: oklch(0.551 0.175 299.1);
}

Tailwind CSS v4

@theme {
  --color-purple-rain: #8253c8;
  --color-purple-rain-50: #fdeaff;
  --color-purple-rain-100: #f2dbff;
  --color-purple-rain-200: #e1c3ff;
  --color-purple-rain-300: #c7a1ff;
  --color-purple-rain-400: #ae83f6;
  --color-purple-rain-500: #9864e8;
  --color-purple-rain-600: #8155c3;
  --color-purple-rain-700: #67449d;
  --color-purple-rain-800: #4a3176;
  --color-purple-rain-900: #332254;
  --color-purple-rain-950: #1f1038;
}

SCSS

$purple-rain: #8253c8;
$purple-rain-rgb: 130, 83, 200;
$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);
}