Exodus 28:31
And make the upper garment of the ephod, complete, of cerulean purple.
Exodus 28:4
And these the garments which they shall make: the ornament, and the girding on, and the upper garment and the tesselated tunic, the turban and girdle: and they made holy garments or Aaron thy brother, and for his sons to be priests to me.
Exodus 28:28
And they rings shall bind the breastplate from the to the rings of the ephod by a thread of cerulean purple, to be upon the girdle of the ephod; and the breast-plate shall not be moved from the ephod.
Exodus 39:22-26
And he will make the robe of the ephod a woven work, all cerulean purple.
Leviticus 8:7
And he will give upon him the tunic, and he will gird him with the girdle, and he will put upon him the robe, and will give upon him the ephod, and will gird him with the girdle of the ephod, and will gird on him with it