#7D9BD2

CSS

:root {
  --wisteria-blue: #7d9bd2;
  --wisteria-blue-rgb: 125 155 210;
  --wisteria-blue-oklch: oklch(0.688 0.088 262.2);
}

.element {
  color: var(--wisteria-blue);
  background-color: hsl(219 49% 66%);
  border-color: oklch(0.688 0.088 262.2);
}

Tailwind CSS v4

@theme {
  --color-wisteria-blue: #7d9bd2;
  --color-wisteria-blue-50: #e8f6ff;
  --color-wisteria-blue-100: #d9e8ff;
  --color-wisteria-blue-200: #c1d5fb;
  --color-wisteria-blue-300: #a1b8e6;
  --color-wisteria-blue-400: #829fd3;
  --color-wisteria-blue-500: #6686c1;
  --color-wisteria-blue-600: #5771a3;
  --color-wisteria-blue-700: #455b83;
  --color-wisteria-blue-800: #304361;
  --color-wisteria-blue-900: #212e44;
  --color-wisteria-blue-950: #101b2c;
}

SCSS

$wisteria-blue: #7d9bd2;
$wisteria-blue-rgb: 125, 155, 210;
$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);
}