indigo blue

基本解释

A great many stars were shining in the indigo blue sky.
繁星在靛蓝色的天空闪烁着。
The lavandula spica is one kind of strongly fragrant indigo blue floret.
熏衣草是一种馥郁的紫蓝色的小花。
Staining of ancient China is contained in natural plant pigments, such as the indigo blue dye.
我国古代染色是采用天然植物中所含的色素，如染青蓝色的靛蓝。

Duke Ellington and his orchestra recorded a famous song Mood Indigo about the deep blue color,indigo.
In the words of the song: "You ain't been blue till you've had that Mood Indigo.

Instead, Leslie Feist says things like Toni Morrison's narratives and the color indigo blue tend to make more of an impact.
NPR: The Way You Look at Feist, So She Appears to You
At first Amgen tried using genetic engineering to create organisms that would extract oil from shale, man-made proteins that would make chickens grow faster and new specialty chemicals such as a cloned indigo, a substitute for the natural dye used to color blue jeans.
FORBES: Biotech Behemoth