#8298E2

CSS

:root {
  --wisteria-blue: #8298e2;
  --wisteria-blue-rgb: 130 152 226;
  --wisteria-blue-oklch: oklch(0.693 0.112 270.7);
}

.element {
  color: var(--wisteria-blue);
  background-color: hsl(226 62% 70%);
  border-color: oklch(0.693 0.112 270.7);
}

Tailwind CSS v4

@theme {
  --color-wisteria-blue: #8298e2;
  --color-wisteria-blue-50: #eaf4ff;
  --color-wisteria-blue-100: #dbe6ff;
  --color-wisteria-blue-200: #c4d2ff;
  --color-wisteria-blue-300: #a4b4f1;
  --color-wisteria-blue-400: #859be1;
  --color-wisteria-blue-500: #6a81d0;
  --color-wisteria-blue-600: #5a6db0;
  --color-wisteria-blue-700: #48578d;
  --color-wisteria-blue-800: #324069;
  --color-wisteria-blue-900: #222c4a;
  --color-wisteria-blue-950: #111931;
}

SCSS

$wisteria-blue: #8298e2;
$wisteria-blue-rgb: 130, 152, 226;
$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);
}