cerulean

名词 cerulean:

1. a light shade of blue
   同义词：azure, sapphire, lazuline, sky-blue

形容词 cerulean:

1. of a deep somewhat purplish blue color similar to that of a clear October sky
   同义词：azure, sky-blue, bright blue

ce.ru.le.an

adj.Color （形容词）【色彩】
Azure; sky-blue.
蔚蓝色的；天蓝色的

来源：
From Latin caeruleus [dark blue] ; akin to caelum [sky]
源自 拉丁语 caeruleus [暗蓝的] ；类似于 caelum [天空]