#7B638E

CSS

:root {
  --muted-purple: #7b638e;
  --muted-purple-rgb: 123 99 142;
  --muted-purple-oklch: oklch(0.54 0.071 309.6);
}

.element {
  color: var(--muted-purple);
  background-color: hsl(273 18% 47%);
  border-color: oklch(0.54 0.071 309.6);
}

Tailwind CSS v4

@theme {
  --color-muted-purple: #7b638e;
  --color-muted-purple-50: #fcf0ff;
  --color-muted-purple-100: #f0e2fa;
  --color-muted-purple-200: #decceb;
  --color-muted-purple-300: #c3aed3;
  --color-muted-purple-400: #ab93bf;
  --color-muted-purple-500: #9479aa;
  --color-muted-purple-600: #7d6790;
  --color-muted-purple-700: #645273;
  --color-muted-purple-800: #493c56;
  --color-muted-purple-900: #33293c;
  --color-muted-purple-950: #1e1726;
}

SCSS

$muted-purple: #7b638e;
$muted-purple-rgb: 123, 99, 142;
$muted-purple-light: mix(#fff, $muted-purple, 20%);
$muted-purple-dark: mix(#000, $muted-purple, 20%);

.element {
  color: $muted-purple;
  box-shadow: 0 0 0 2px rgba($muted-purple, 0.35);
}