#8196EA

CSS

:root {
  --wisteria-blue: #8196ea;
  --wisteria-blue-rgb: 129 150 234;
  --wisteria-blue-oklch: oklch(0.692 0.126 272.1);
}

.element {
  color: var(--wisteria-blue);
  background-color: hsl(228 71% 71%);
  border-color: oklch(0.692 0.126 272.1);
}

Tailwind CSS v4

@theme {
  --color-wisteria-blue: #8196ea;
  --color-wisteria-blue-50: #e9f3ff;
  --color-wisteria-blue-100: #dae6ff;
  --color-wisteria-blue-200: #c3d1ff;
  --color-wisteria-blue-300: #a3b3f8;
  --color-wisteria-blue-400: #8599e9;
  --color-wisteria-blue-500: #6a7ed9;
  --color-wisteria-blue-600: #5a6bb7;
  --color-wisteria-blue-700: #475693;
  --color-wisteria-blue-800: #323f6e;
  --color-wisteria-blue-900: #222b4d;
  --color-wisteria-blue-950: #111833;
}

SCSS

$wisteria-blue: #8196ea;
$wisteria-blue-rgb: 129, 150, 234;
$wisteria-blue-light: mix(#fff, $wisteria-blue, 20%);
$wisteria-blue-dark: mix(#000, $wisteria-blue, 20%);

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