US Coast Guard Dinner Dress Blue Jacket worn by Commander Merle Smith Jr. National Museum of African American History and Culture Female Officer Dinner Dress Blue Service Dress Blue (Yankee) uniform was for "warm weather afternoon and early evening functions such as yachting parties." The uniform was formally phased out in 2011 : r navy Dark Blue Tulle Sequin High Low Prom Dress, Blue Evening Dress US 4 Dark Blue MC Dinner Dress Blue Jacket