Exodus 39:31
Then they attached a cord of blue yarn to it in order to mount it on the turban, just as the Lord had commanded Moses.
Treasury of Scripture Knowledge
Summary
And they tied unto it a lace of blue, to fasten it on high upon the mitre; as the LORD commanded Moses.
General references
Bible References
General references
Leviticus 8:4
So Moses did as the Lord commanded him, and the community assembled at the entrance to the tent of meeting.