#7658CA

CSS

:root {
  --simply-purple: #7658ca;
  --simply-purple-rgb: 118 88 202;
  --simply-purple-oklch: oklch(0.549 0.17 292);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(256 52% 57%);
  border-color: oklch(0.549 0.17 292);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #7658ca;
  --color-simply-purple-50: #f7edff;
  --color-simply-purple-100: #eadeff;
  --color-simply-purple-200: #d8c6ff;
  --color-simply-purple-300: #bca5ff;
  --color-simply-purple-400: #a289f9;
  --color-simply-purple-500: #8b6aeb;
  --color-simply-purple-600: #765ac6;
  --color-simply-purple-700: #5e489f;
  --color-simply-purple-800: #433578;
  --color-simply-purple-900: #2e2455;
  --color-simply-purple-950: #1b1239;
}

SCSS

$simply-purple: #7658ca;
$simply-purple-rgb: 118, 88, 202;
$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);
}