#6D5EC1

CSS

:root {
  --simply-purple: #6d5ec1;
  --simply-purple-rgb: 109 94 193;
  --simply-purple-oklch: oklch(0.545 0.149 287.3);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(249 44% 56%);
  border-color: oklch(0.545 0.149 287.3);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #6d5ec1;
  --color-simply-purple-50: #f3efff;
  --color-simply-purple-100: #e6e0ff;
  --color-simply-purple-200: #d2caff;
  --color-simply-purple-300: #b5aaff;
  --color-simply-purple-400: #9a8ff1;
  --color-simply-purple-500: #8272e2;
  --color-simply-purple-600: #6e61bf;
  --color-simply-purple-700: #584d99;
  --color-simply-purple-800: #3e3973;
  --color-simply-purple-900: #2b2751;
  --color-simply-purple-950: #191536;
}

SCSS

$simply-purple: #6d5ec1;
$simply-purple-rgb: 109, 94, 193;
$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);
}