#884BD5

CSS

:root {
  --purple-rain: #884bd5;
  --purple-rain-rgb: 136 75 213;
  --purple-rain-oklch: oklch(0.555 0.203 300.1);
}

.element {
  color: var(--purple-rain);
  background-color: hsl(267 62% 56%);
  border-color: oklch(0.555 0.203 300.1);
}

Tailwind CSS v4

@theme {
  --color-purple-rain: #884bd5;
  --color-purple-rain-50: #ffe8ff;
  --color-purple-rain-100: #f4d8ff;
  --color-purple-rain-200: #e4bfff;
  --color-purple-rain-300: #cb9cff;
  --color-purple-rain-400: #b37cff;
  --color-purple-rain-500: #9e59f5;
  --color-purple-rain-600: #854dcf;
  --color-purple-rain-700: #6b3da6;
  --color-purple-rain-800: #4d2c7e;
  --color-purple-rain-900: #351e59;
  --color-purple-rain-950: #210d3c;
}

SCSS

$purple-rain: #884bd5;
$purple-rain-rgb: 136, 75, 213;
$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);
}