We're going by "Semi-Formal" as our dress code. What does that mean, exactly? We're going by the definition found here: https://emilypost.com/advice/attire-guide-dress-codes-from-casual-to-white-tie The Bride and Groom will be wearing Navy Blue for their evening attire if you want to match.
https://www.youtube.com/watch?v=WHrn_pHW2so