Exodus 28:31

“And you shall make the robe of the ephod all of blue.

Exodus 28:4

These are the garments which they shall make: a breastpiece and an ephod [for the breastpiece] and a robe and a tunic of checkered work, a turban, and a sash. They shall make sacred garments for Aaron your brother and his sons, so that he may serve as a priest to Me.

Exodus 28:28

They shall bind the breastpiece by its rings to the rings of the ephod with a blue cord, so that it will be above the skillfully woven sash of the ephod, so that the breastpiece will not come loose from the ephod.

Exodus 39:22-26

Then Bezalel made the robe of the ephod of woven work, all of blue;

Leviticus 8:7

He put the undertunic on Aaron, tied the sash around him, clothed him in the robe, and put the ephod (an upper vestment) on him. He tied the [skillfully woven] band of the ephod around him, with which he secured it to Aaron.

Treasury of Scripture Knowledge

Summary

Exodus 28:31

And thou shalt make the robe of the ephod all of blue.

General references

Exodus 28:4

Exodus 39:22

Leviticus 8:7

Bible References

General references

Then Bezalel made the robe of the ephod of woven work, all of blue;