Neither the name Northwestern, Northwestern University, nor any design may be imposed on the seal. No other marks may be used with the university seal or shield. The NU seal must be used on a solid background. The seal must be white, purple, grey or black. The wording must be very readable with maximum color contrast.
Grey accent is acceptable.
The N-Cathead must be used as a unit. The name Northwestern or Northwestern University, Northwestern Wildcats, or Wildcats may be used with the N-Cathead. No more than two manufacturer's logos may be placed on any item of clothing. No more than one manufacturer's logo may appear on the front side of the clothing. No more than one manufacturer's logo may appear on the back side of the clothing.