3M Brand Identity Guidelines Explain the Affiliation with 3M  However, do not use a 3M business unit designator such as division, department or project.  When the logo appears in 3M Red, the product name should be black or dark gray.  Indicate the 3M products or services that the third party represents. 38 3M Confidential. 30 Oc©to be3Mr 2013. All Rights Reserved.