Numbers 4:7

4:7 “On the table of the presence they must spread a blue cloth, and put on it the dishes, the pans, the bowls, and the pitchers for pouring, and the Bread of the Presence must be on it continually.

Numbers 4:9

4:9 “They must take a blue cloth and cover the lampstand of the light, with its lamps, its wick-trimmers, its trays, and all its oil vessels, with which they service it.

Numbers 4:12

4:12 Then they must take all the utensils of the service, with which they serve in the sanctuary, put them in a blue cloth, cover them with a covering of fine leather, and put them on a carrying beam.

Numbers 15:38

15:38 “Speak to the Israelites and tell them to make tassels for themselves on the corners of their garments throughout their generations, and put a blue thread on the tassel of the corners.