#7A98EC

CSS

:root {
  --wisteria-blue: #7a98ec;
  --wisteria-blue-rgb: 122 152 236;
  --wisteria-blue-oklch: oklch(0.693 0.129 268.1);
}

.element {
  color: var(--wisteria-blue);
  background-color: hsl(224 75% 70%);
  border-color: oklch(0.693 0.129 268.1);
}

Tailwind CSS v4

@theme {
  --color-wisteria-blue: #7a98ec;
  --color-wisteria-blue-50: #e7f4ff;
  --color-wisteria-blue-100: #d7e7ff;
  --color-wisteria-blue-200: #bfd2ff;
  --color-wisteria-blue-300: #9eb4fa;
  --color-wisteria-blue-400: #7e9beb;
  --color-wisteria-blue-500: #6280db;
  --color-wisteria-blue-600: #536db9;
  --color-wisteria-blue-700: #425794;
  --color-wisteria-blue-800: #2d406f;
  --color-wisteria-blue-900: #1e2c4e;
  --color-wisteria-blue-950: #0f1934;
}

SCSS

$wisteria-blue: #7a98ec;
$wisteria-blue-rgb: 122, 152, 236;
$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);
}