Exodus 39:31 KJV
And they tied unto it a lace of blue, to fasten it on high upon the mitre; as the Lord commanded Moses.
Exodus 39:31, King James Version
In context
30 And they made the plate of the holy crown of pure gold, and wrote upon it a writing, like to the engravings of a signet, HOLINESS TO THE LORD.
31 And they tied unto it a lace of blue, to fasten it on high upon the mitre; as the Lord commanded Moses.
32 Thus was all the work of the tabernacle of the tent of the congregation finished: and the children of Israel did according to all that the Lord commanded Moses, so did they.