#7D56C3

CSS

:root {
  --simply-purple: #7d56c3;
  --simply-purple-rgb: 125 86 195;
  --simply-purple-oklch: oklch(0.548 0.164 297.2);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(261 48% 55%);
  border-color: oklch(0.548 0.164 297.2);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #7d56c3;
  --color-simply-purple-50: #fbecff;
  --color-simply-purple-100: #efdcff;
  --color-simply-purple-200: #dec5ff;
  --color-simply-purple-300: #c3a4ff;
  --color-simply-purple-400: #aa87f2;
  --color-simply-purple-500: #9468e4;
  --color-simply-purple-600: #7d59c0;
  --color-simply-purple-700: #64479a;
  --color-simply-purple-800: #483474;
  --color-simply-purple-900: #322352;
  --color-simply-purple-950: #1e1237;
}

SCSS

$simply-purple: #7d56c3;
$simply-purple-rgb: 125, 86, 195;
$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);
}