The cloth of blue
does not have the same hue or intensity of colour as the cloth that envelops the ark of the covenant, which is to be a cloth all of blue
(ESV) or pure blue.
It is in cloths of blue
that the table, together with the other items of the Holy Place, will be enveloped. This colour thus shows that they belong to the Holy Place and take a second rank after the ark of the covenant.
7 Ils étendront un drap bleu sur la table des pains de proposition, et ils mettront dessus les plats, les coupes, les tasses et les calices pour les libations; le pain y sera toujours;