Royal Blue Cobalt Blue Formal Gown Royal Blue Rhinestone Applique Evening Elegant Dress Handmade Look at this vibrant color the Cobalt Blue. Get this at Bridal & Formal by RJS. One of the most sought after dresses in Nashville for prom. See it at Bridal & Formal by RJS, where you will get the Deep V Neck Floor Length Royal Blue Taffeta Prom Dress with Pockets US12 As Picture Navy Blue Satin Mermaid Deep V neck Prom Dresses With Lace Appliques, MP954 A Line Off Shoulder Satin Dark Blue Long Prom Dress, Dark Blue Long Fo toptby Cobalt Blue Dress Elegant Fashion