Color Palette for Corporate Site with Red as Main Color:

1. Color Name: Rich Red
   Hex Code: 
                            
                            #B22222
                        
   Palette Description: A deep and luxurious shade of red, representing strength, power, and confidence. This color exudes elegance and is perfect for creating a bold and impactful corporate site design.

2. Color Name: Classic Gray
   Hex Code: 
                            
                            #808080
                        
   Palette Description: A timeless and neutral shade of gray, symbolizing professionalism, stability, and sophistication. This color complements the rich red and adds a sense of balance and professionalism to the overall palette.

3. Color Name: Pure White
   Hex Code: 
                            
                            #FFFFFF
                        
   Palette Description: A clean and pure shade of white, representing purity, clarity, and simplicity. This color brings a sense of freshness and modernity to the palette, making it visually appealing and easy to read.

4. Color Name: Light Silver
   Hex Code: 
                            
                            #D3D3D3
                        
   Palette Description: A subtle and soft shade of silver, symbolizing elegance, innovation, and technological advancement. This color adds a touch of sophistication and modernity to the palette, enhancing the overall corporate image.

5. Color Name: Dark Charcoal
   Hex Code: 
                            
                            #333333
                        
   Palette Description: A deep and dark shade of charcoal, representing professionalism, authority, and formality. This color can be used sparingly to create contrast and emphasis, adding depth and seriousness to the corporate site design.