For men, dark-colored suits are preferred (dark grey and dark blue). Along the coastline the attire is more casual and colorful. For women, a suit or dress that is conservative. Again, dark colors for inland, lighter colors along the coastlines.
Menswear Inspiration: Light grey suit, lavender shirt, navy tie with pindots. -Know whats fun? Try thinking of ways to translate this into something for a woman to wear. There are both obvious and very subtle ways, try different ones and see what works.
Cheap 2015 Dark Blue Beach Groom Tuexdos Custom Made Groomsmen Men Wedding Suits Two Buttons Prom Formal Occasion Tuxedos Jacket+Pants+Hanky As Low As $73.97, Also Buy Black Tuxedo Dress Black Tuxedo Suit From Wedding_present| Dhgate Mobile
-- Inspiration -- -- -- Brown jacket brown bow tie dark denim and white shirt with the white pocket square. That would be a great way to make denim look not so casual. Of course the black dress pants and black bow tie as shown here looks ok too