Color Palette for Gantt Chart Headers:

1. Color Name: Midnight Blue
   Hex Code: 
                            
                            #191970
                        
   Description: A deep, rich blue color resembling the night sky.

2. Color Name: Steel Blue
   Hex Code: 
                            
                            #4682B4
                        
   Description: A cool, metallic blue color reminiscent of steel.

3. Color Name: Slate Gray
   Hex Code: 
                            
                            #708090
                        
   Description: A neutral gray with a hint of blue, resembling slate rock.

4. Color Name: Silver
   Hex Code: 
                            
                            #C0C0C0
                        
   Description: A bright, metallic silver color with a hint of gray.

5. Color Name: Lavender
   Hex Code: 
                            
                            #E6E6FA
                        
   Description: A soft, pale purple color with a touch of gray.

6. Color Name: White Smoke
   Hex Code: 
                            
                            #F5F5F5
                        
   Description: A light gray color with a smoky undertone, almost appearing white.