#7450BF

CSS

:root {
  --purple-rain: #7450bf;
  --purple-rain-rgb: 116 80 191;
  --purple-rain-oklch: oklch(0.526 0.167 295);
}

.element {
  color: var(--purple-rain);
  background-color: hsl(259 46% 53%);
  border-color: oklch(0.526 0.167 295);
}

Tailwind CSS v4

@theme {
  --color-purple-rain: #7450bf;
  --color-purple-rain-50: #faecff;
  --color-purple-rain-100: #edddff;
  --color-purple-rain-200: #dbc5ff;
  --color-purple-rain-300: #c0a4ff;
  --color-purple-rain-400: #a787f6;
  --color-purple-rain-500: #9069e7;
  --color-purple-rain-600: #7a59c3;
  --color-purple-rain-700: #62479d;
  --color-purple-rain-800: #463476;
  --color-purple-rain-900: #302453;
  --color-purple-rain-950: #1d1238;
}

SCSS

$purple-rain: #7450bf;
$purple-rain-rgb: 116, 80, 191;
$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);
}