#6C5DC3

CSS

:root {
  --simply-purple: #6c5dc3;
  --simply-purple-rgb: 108 93 195;
  --simply-purple-oklch: oklch(0.544 0.153 286.9);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(249 46% 56%);
  border-color: oklch(0.544 0.153 286.9);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #6c5dc3;
  --color-simply-purple-50: #f3efff;
  --color-simply-purple-100: #e5e0ff;
  --color-simply-purple-200: #d1caff;
  --color-simply-purple-300: #b5aaff;
  --color-simply-purple-400: #998ef4;
  --color-simply-purple-500: #8271e5;
  --color-simply-purple-600: #6e60c1;
  --color-simply-purple-700: #584d9b;
  --color-simply-purple-800: #3e3875;
  --color-simply-purple-900: #2b2752;
  --color-simply-purple-950: #181437;
}

SCSS

$simply-purple: #6c5dc3;
$simply-purple-rgb: 108, 93, 195;
$simply-purple-light: mix(#fff, $simply-purple, 20%);
$simply-purple-dark: mix(#000, $simply-purple, 20%);

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