Of course! Here’s a vibrant and elegant three-color palette that includes navy blue:

 <Navy Blue Trio> 
1. Navy Blue - 
                            
                            #001F3F
                         - A classic, deep blue that conveys professionalism and stability. 
2. Soft Lavender - 
                            
                            #E6E6FA
                         - A light, soothing lavender that adds a touch of calmness and elegance, creating a gentle contrast with navy. 
3. Rich Gold - 
                            
                            #FFD700
                         - A luxurious gold that introduces warmth and a sense of opulence, perfect for accents or highlights. 

This palette combines the depth of navy blue with the tranquility of soft lavender and the richness of gold, providing a refined and sophisticated aesthetic suitable for branding, events, or upscale designs.

How do you plan to use this color palette? Are there specific emotions or themes you want to evoke?