#7597F4

CSS

:root {
  --wisteria-blue: #7597f4;
  --wisteria-blue-rgb: 117 151 244;
  --wisteria-blue-oklch: oklch(0.692 0.142 267.5);
}

.element {
  color: var(--wisteria-blue);
  background-color: hsl(224 85% 71%);
  border-color: oklch(0.692 0.142 267.5);
}

Tailwind CSS v4

@theme {
  --color-wisteria-blue: #7597f4;
  --color-wisteria-blue-50: #e5f4ff;
  --color-wisteria-blue-100: #d5e7ff;
  --color-wisteria-blue-200: #bcd2ff;
  --color-wisteria-blue-300: #9ab4ff;
  --color-wisteria-blue-400: #799af2;
  --color-wisteria-blue-500: #5d7fe4;
  --color-wisteria-blue-600: #4f6cc0;
  --color-wisteria-blue-700: #3f569a;
  --color-wisteria-blue-800: #2a3f73;
  --color-wisteria-blue-900: #1c2c51;
  --color-wisteria-blue-950: #0d1936;
}

SCSS

$wisteria-blue: #7597f4;
$wisteria-blue-rgb: 117, 151, 244;
$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);
}