#7A96F5

CSS

:root {
  --wisteria-blue: #7a96f5;
  --wisteria-blue-rgb: 122 150 245;
  --wisteria-blue-oklch: oklch(0.693 0.143 270);
}

.element {
  color: var(--wisteria-blue);
  background-color: hsl(226 86% 72%);
  border-color: oklch(0.693 0.143 270);
}

Tailwind CSS v4

@theme {
  --color-wisteria-blue: #7a96f5;
  --color-wisteria-blue-50: #e6f4ff;
  --color-wisteria-blue-100: #d7e6ff;
  --color-wisteria-blue-200: #bed1ff;
  --color-wisteria-blue-300: #9eb3ff;
  --color-wisteria-blue-400: #7e99f3;
  --color-wisteria-blue-500: #627ee4;
  --color-wisteria-blue-600: #536bc0;
  --color-wisteria-blue-700: #42559b;
  --color-wisteria-blue-800: #2d3f74;
  --color-wisteria-blue-900: #1e2b52;
  --color-wisteria-blue-950: #0e1837;
}

SCSS

$wisteria-blue: #7a96f5;
$wisteria-blue-rgb: 122, 150, 245;
$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);
}