From 金髪 (きんぱつ) (kinpatsu, “blonde hair”) + 碧眼 (へきがん) (hekigan, “blue eyes”).
金髪碧眼 (shinjitai kanji, kyūjitai kanji 金髮碧眼, hiragana きんぱつへきがん, rōmaji kinpatsu hekigan)