#6E6FD9

CSS

:root {
  --pan-purple: #6e6fd9;
  --pan-purple-rgb: 110 111 217;
  --pan-purple-oklch: oklch(0.593 0.158 280);
}

.element {
  color: var(--pan-purple);
  background-color: hsl(239 58% 64%);
  border-color: oklch(0.593 0.158 280);
}

Tailwind CSS v4

@theme {
  --color-pan-purple: #6e6fd9;
  --color-pan-purple-50: #edf1ff;
  --color-pan-purple-100: #dfe2ff;
  --color-pan-purple-200: #c9ccff;
  --color-pan-purple-300: #abadff;
  --color-pan-purple-400: #8d92f9;
  --color-pan-purple-500: #7575eb;
  --color-pan-purple-600: #6363c6;
  --color-pan-purple-700: #4f4f9f;
  --color-pan-purple-800: #373a78;
  --color-pan-purple-900: #252854;
  --color-pan-purple-950: #141539;
}

SCSS

$pan-purple: #6e6fd9;
$pan-purple-rgb: 110, 111, 217;
$pan-purple-light: mix(#fff, $pan-purple, 20%);
$pan-purple-dark: mix(#000, $pan-purple, 20%);

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