#6E61AF

CSS

:root {
  --simply-purple: #6e61af;
  --simply-purple-rgb: 110 97 175;
  --simply-purple-oklch: oklch(0.54 0.119 289.4);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(250 33% 53%);
  border-color: oklch(0.54 0.119 289.4);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #6e61af;
  --color-simply-purple-50: #f5f0ff;
  --color-simply-purple-100: #e8e2ff;
  --color-simply-purple-200: #d4ccff;
  --color-simply-purple-300: #b8adf0;
  --color-simply-purple-400: #9d92e0;
  --color-simply-purple-500: #8577cf;
  --color-simply-purple-600: #7165af;
  --color-simply-purple-700: #5a518d;
  --color-simply-purple-800: #403b69;
  --color-simply-purple-900: #2c284a;
  --color-simply-purple-950: #1a1631;
}

SCSS

$simply-purple: #6e61af;
$simply-purple-rgb: 110, 97, 175;
$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);
}