#755BC0

CSS

:root {
  --simply-purple: #755bc0;
  --simply-purple-rgb: 117 91 192;
  --simply-purple-oklch: oklch(0.546 0.152 292.5);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(255 44% 55%);
  border-color: oklch(0.546 0.152 292.5);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #755bc0;
  --color-simply-purple-50: #f7edff;
  --color-simply-purple-100: #eadfff;
  --color-simply-purple-200: #d8c8ff;
  --color-simply-purple-300: #bca8fd;
  --color-simply-purple-400: #a28cf0;
  --color-simply-purple-500: #8b6ee1;
  --color-simply-purple-600: #765ebd;
  --color-simply-purple-700: #5e4b98;
  --color-simply-purple-800: #433772;
  --color-simply-purple-900: #2e2551;
  --color-simply-purple-950: #1b1336;
}

SCSS

$simply-purple: #755bc0;
$simply-purple-rgb: 117, 91, 192;
$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);
}