#6F61AE

CSS

:root {
  --simply-purple: #6f61ae;
  --simply-purple-rgb: 111 97 174;
  --simply-purple-oklch: oklch(0.541 0.118 290.2);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(251 32% 53%);
  border-color: oklch(0.541 0.118 290.2);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #6f61ae;
  --color-simply-purple-50: #f5f0ff;
  --color-simply-purple-100: #e8e1ff;
  --color-simply-purple-200: #d5ccff;
  --color-simply-purple-300: #b8adef;
  --color-simply-purple-400: #9e92df;
  --color-simply-purple-500: #8677ce;
  --color-simply-purple-600: #7165ae;
  --color-simply-purple-700: #5b508c;
  --color-simply-purple-800: #413b69;
  --color-simply-purple-900: #2d284a;
  --color-simply-purple-950: #1a1630;
}

SCSS

$simply-purple: #6f61ae;
$simply-purple-rgb: 111, 97, 174;
$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);
}