#6F5EBE

CSS

:root {
  --simply-purple: #6f5ebe;
  --simply-purple-rgb: 111 94 190;
  --simply-purple-oklch: oklch(0.545 0.145 288.8);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(251 42% 56%);
  border-color: oklch(0.545 0.145 288.8);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #6f5ebe;
  --color-simply-purple-50: #f4efff;
  --color-simply-purple-100: #e7e0ff;
  --color-simply-purple-200: #d4caff;
  --color-simply-purple-300: #b7aafc;
  --color-simply-purple-400: #9c8fee;
  --color-simply-purple-500: #8572df;
  --color-simply-purple-600: #7061bc;
  --color-simply-purple-700: #5a4d97;
  --color-simply-purple-800: #403971;
  --color-simply-purple-900: #2c2750;
  --color-simply-purple-950: #191535;
}

SCSS

$simply-purple: #6f5ebe;
$simply-purple-rgb: 111, 94, 190;
$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);
}