Color Palette: Complementary Dark Blue

1. Midnight Blue
   Hex Code: 
                            
                            #191970
                        
   A deep, rich blue reminiscent of the night sky.

2. Sapphire
   Hex Code: 
                            
                            #0F52BA
                        
   A vibrant blue with hints of royal elegance.

3. Steel Blue
   Hex Code: 
                            
                            #4682B4
                        
   A cool, subdued blue like the color of steel.

4. Indigo
   Hex Code: 
                            
                            #4B0082
                        
   A deep purplish-blue hue that exudes sophistication.

5. Teal
   Hex Code: 
                            
                            #008080
                        
   A greenish-blue shade that adds a touch of freshness.

6. Navy
   Hex Code: 
                            
                            #000080
                        
   A classic, dark blue that is timeless and versatile.

7. Cerulean
   Hex Code: 
                            
                            #007BA7
                        
   A tranquil blue reminiscent of the sky on a clear day.

8. Cobalt
   Hex Code: 
                            
                            #4169E1
                        
   A bold and intense blue that commands attention.

9. Royal Blue
   Hex Code: 
                            
                            #4169E1
                        
   A regal shade of blue that is both striking and elegant.

10. Azure
    Hex Code: 
                            
                            #007FFF
                        
    A bright and lively shade of blue that evokes a sense of freedom.

11. Prussian Blue
    Hex Code: 
                            
                            #003153
                        
    A deep, dark blue with a hint of green undertones.

12. Denim
    Hex Code: 
                            
                            #1560BD
                        
    A casual and versatile blue inspired by the fabric of jeans.

Description: This color palette features a range of blues that complement dark blue, creating a harmonious and stylish color scheme suitable for various design projects.