Numbers 4:9
They are to take a blue cloth and cover the lampstand used for light, together with its lamps, wick trimmers, and trays, as well as the jars of oil with which to supply it.
Berean Standard Bible
And they shall take a cloth of blue, and cover the candlestick of the light, and his lamps, and his tongs, and his snuffdishes, and all the oil vessels thereof, wherewith they minister unto it:
“They shall take a blue cloth and cover the lamp stand of the light, its lamps, its snuffers, its snuff dishes, and all its oil vessels, with which they minister to it.