Color Palette:
1. Color Name: Midnight Blue
   Hex Code: 
                            
                            #350486
                        
   Description: A deep, rich shade of blue, evoking a sense of strength and stability. Ideal for creating a professional and empowering brand image for a personal trainer.

2. Color Name: Royal Purple
   Hex Code: 
                            
                            #6A0080
                        
   Description: A regal and energetic hue, representing ambition and vitality. This color can add a touch of vibrancy and sophistication to the personal trainer's branding materials.

3. Color Name: Steel Blue
   Hex Code: 
                            
                            #5686A0
                        
   Description: A cool and calming shade of blue, symbolizing reliability and trustworthiness. This color can be used to instill a sense of confidence and dependability in the personal trainer's visual identity.

4. Color Name: Slate Gray
   Hex Code: 
                            
                            #6E7E8B
                        
   Description: A neutral and versatile color, conveying a sense of professionalism and practicality. This shade can serve as a grounding element in the personal trainer's design palette, complementing the other vibrant colors.