#7E9CCF

CSS

:root {
  --wisteria-blue: #7e9ccf;
  --wisteria-blue-rgb: 126 156 207;
  --wisteria-blue-oklch: oklch(0.69 0.083 260.8);
}

.element {
  color: var(--wisteria-blue);
  background-color: hsl(218 46% 65%);
  border-color: oklch(0.69 0.083 260.8);
}

Tailwind CSS v4

@theme {
  --color-wisteria-blue: #7e9ccf;
  --color-wisteria-blue-50: #e9f6ff;
  --color-wisteria-blue-100: #d9e9ff;
  --color-wisteria-blue-200: #c2d5f9;
  --color-wisteria-blue-300: #a1b8e3;
  --color-wisteria-blue-400: #839fd0;
  --color-wisteria-blue-500: #6686bd;
  --color-wisteria-blue-600: #5772a0;
  --color-wisteria-blue-700: #455b80;
  --color-wisteria-blue-800: #31435f;
  --color-wisteria-blue-900: #212e43;
  --color-wisteria-blue-950: #101b2b;
}

SCSS

$wisteria-blue: #7e9ccf;
$wisteria-blue-rgb: 126, 156, 207;
$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);
}