Here’s an expanded web design coloring scheme based on your original color palette:

 < Web Design Color Scheme > 
1. Background - 
                            
                            #F1FAEE
                         - A soft off-white background that offers a clean and spacious feel, ensuring readability and focus on content. 
2. Primary Text - 
                            
                            #1D3557
                         - The navy blue color serves as the main text color, conveying trust and professionalism.
3. Secondary Text - 
                            
                            #457B9D
                         - This sky blue can be used for secondary text elements, such as subtitles or descriptions, adding a touch of innovation and approachability.
4. Accent Text - 
                            
                            #E63946
                         - Use this coral color for buttons, links, and highlights to draw attention and convey energy and creativity.
5. Divider Lines - 
                            
                            #A8DADC
                         - A lighter shade that complements the primary color and can be used for borders or dividing sections, enhancing structure without overwhelming.
6. Button Background - 
                            
                            #1D3557
                         - Utilizing the primary navy blue for buttons provides a strong and professional look.
7. Button Hover Background - 
                            
                            #457B9D
                         - On hover, the button can change to sky blue, indicating interactivity and encouraging user engagement.
8. Error Text - 
                            
                            #E63946
                         - Use the coral color for error messages or alerts, ensuring they stand out and are easily noticed.

Description:

This color scheme combines professionalism and creativity while ensuring readability and user engagement. The navy blue and sky blue create a strong foundation, while the coral accent adds vibrancy. The use of lighter shades for backgrounds and dividers keeps the design clean and modern.

Follow-Up Questions:

1. What type of website are you designing (e.g., corporate, portfolio, e-commerce)?
2. Are there any specific elements or sections you want to focus on enhancing with color?
3. Do you have any preferences for font styles or additional design elements?