Color Palette for a Quotation Website Form:

1. Color Name: Royal Blue
   Hex Code: 
                            
                            #4169E1
                        
   Description: This vibrant and bold shade of blue represents trust, professionalism, and reliability. It helps to create a sense of security and instills confidence in users while filling out the quotation form.

2. Color Name: Silver
   Hex Code: 
                            
                            #C0C0C0
                        
   Description: The silver color adds a touch of elegance and sophistication to the form. It enhances the overall aesthetics and provides a modern and sleek look, making the form visually appealing and professional.

3. Color Name: Light Gray
   Hex Code: 
                            
                            #D3D3D3
                        
   Description: Light gray is a neutral and versatile color that complements the other colors in the palette. It helps to create a clean and organized layout for the form, making it easy for users to navigate and input their information.

Overall Description: This color palette combines the boldness of royal blue, the elegance of silver, and the neutrality of light gray to create a visually appealing and professional form for calculating quotations on a website. The combination of these colors instills trust, adds sophistication, and promotes ease of use for users.