#8398E1

CSS

:root {
  --wisteria-blue: #8398e1;
  --wisteria-blue-rgb: 131 152 225;
  --wisteria-blue-oklch: oklch(0.693 0.11 271.1);
}

.element {
  color: var(--wisteria-blue);
  background-color: hsl(227 61% 70%);
  border-color: oklch(0.693 0.11 271.1);
}

Tailwind CSS v4

@theme {
  --color-wisteria-blue: #8398e1;
  --color-wisteria-blue-50: #eaf4ff;
  --color-wisteria-blue-100: #dbe6ff;
  --color-wisteria-blue-200: #c4d2ff;
  --color-wisteria-blue-300: #a4b4f1;
  --color-wisteria-blue-400: #869be0;
  --color-wisteria-blue-500: #6b81cf;
  --color-wisteria-blue-600: #5b6daf;
  --color-wisteria-blue-700: #49578c;
  --color-wisteria-blue-800: #334069;
  --color-wisteria-blue-900: #222c4a;
  --color-wisteria-blue-950: #121930;
}

SCSS

$wisteria-blue: #8398e1;
$wisteria-blue-rgb: 131, 152, 225;
$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);
}