Exodus 28:28
And they shall bind the breastplate by the rings of it to the rings of the ephod with a lace of blue, that it may be upon the skillfully woven band of the ephod, and that the breastplate be not loosed from the ephod.
Numbers 15:38
Speak to the sons of Israel, and bid them that they make for them fringes in the borders of their garments throughout their generations, and that they put upon the fringe of each border a cord of blue.
Exodus 28:31
And thou shall make the robe of the ephod all of blue.
Exodus 28:37
And thou shall put it on a lace of blue, and it shall be upon the miter. It shall be upon the forefront of the miter.
Exodus 39:30-31
And they made the plate of the holy crown of pure gold, and wrote upon it a writing, like the engravings of a signet, HOLY TO LORD.