#7F98E1

CSS

:root {
  --wisteria-blue: #7f98e1;
  --wisteria-blue-rgb: 127 152 225;
  --wisteria-blue-oklch: oklch(0.69 0.112 269);
}

.element {
  color: var(--wisteria-blue);
  background-color: hsl(225 62% 69%);
  border-color: oklch(0.69 0.112 269);
}

Tailwind CSS v4

@theme {
  --color-wisteria-blue: #7f98e1;
  --color-wisteria-blue-50: #e9f4ff;
  --color-wisteria-blue-100: #dae7ff;
  --color-wisteria-blue-200: #c2d2ff;
  --color-wisteria-blue-300: #a2b5f1;
  --color-wisteria-blue-400: #839be1;
  --color-wisteria-blue-500: #6882d0;
  --color-wisteria-blue-600: #586eb0;
  --color-wisteria-blue-700: #46588d;
  --color-wisteria-blue-800: #314069;
  --color-wisteria-blue-900: #212c4a;
  --color-wisteria-blue-950: #111931;
}

SCSS

$wisteria-blue: #7f98e1;
$wisteria-blue-rgb: 127, 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);
}