#7F59B6

CSS

:root {
  --simply-purple: #7f59b6;
  --simply-purple-rgb: 127 89 182;
  --simply-purple-oklch: oklch(0.546 0.143 300.6);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(265 39% 53%);
  border-color: oklch(0.546 0.143 300.6);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #7f59b6;
  --color-simply-purple-50: #fdecff;
  --color-simply-purple-100: #f1ddff;
  --color-simply-purple-200: #e0c6ff;
  --color-simply-purple-300: #c6a5f4;
  --color-simply-purple-400: #ad89e6;
  --color-simply-purple-500: #976cd5;
  --color-simply-purple-600: #7f5cb4;
  --color-simply-purple-700: #664991;
  --color-simply-purple-800: #49356d;
  --color-simply-purple-900: #33244c;
  --color-simply-purple-950: #1f1333;
}

SCSS

$simply-purple: #7f59b6;
$simply-purple-rgb: 127, 89, 182;
$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);
}