Here’s a color palette based on your main color #0054a6 , which is a strong blue shade. This palette is designed to evoke a sense of trust, professionalism, and stability.

 <Blue Professional>
1. Main Blue - 
                            
                            #0054a6
                         - A strong, vibrant blue symbolizing trust and dependability.
2. Soft Sky - 
                            
                            #87CEEB
                         - A light sky blue that complements the main blue, adding a sense of calmness.
3. Deep Navy - 
                            
                            #001f3f
                         - A deep navy blue that conveys authority and sophistication.
4. Light Grey - 
                            
                            #D3D3D3
                         - A soft light grey that balances the palette with neutrality and modernity.
5. Bright Coral - 
                            
                            #FF6F61
                         - A bright coral that adds a pop of color, evoking energy and creativity.

Description:

This color palette is suitable for a professional setting, such as corporate branding or websites aimed at instilling trust and reliability. The combination of blues conveys stability, while the coral adds a touch of vibrancy to keep the design engaging.

Would you like to explore variations of this palette, or would you like suggestions for specific applications (e.g., website, branding, etc.)?