Sure! Here’s a color palette tailored for a marketing agency's website, designed to convey professionalism, creativity, and trustworthiness.

### Color Palette for a Marketing Agency

1. **Midnight Blue**
   - **Hex Code:** 
                            
                            #003366
                        
   - **Description:** A deep, strong blue that evokes a sense of professionalism and stability. It serves as a solid foundation for the palette, perfect for headers and background elements.

2. **Vibrant Cyan**
   - **Hex Code:** 
                            
                            #00B2E2
                        
   - **Description:** A bright and energetic cyan that captures attention and promotes creativity. This color can be used for buttons and call-to-action elements to encourage user engagement.

3. **Coral Orange**
   - **Hex Code:** 
                            
                            #FF6F30
                        
   - **Description:** A warm, inviting coral that adds a pop of energy and enthusiasm. Ideal for highlighting important features or promotions, this color creates a friendly and approachable vibe.

4. **Soft Gray**
   - **Hex Code:** 
                            
                            #F4F4F4
                        
   - **Description:** A light, neutral gray that provides a clean backdrop for content. This color enhances readability and allows other colors in the palette to stand out.

5. **Lime Green**
   - **Hex Code:** 
                            
                            #A8D300
                        
   - **Description:** A fresh and vibrant green that symbolizes growth and innovation. This color can be used for accents, icons, and infographics to convey a forward-thinking approach.

6. **Rich Charcoal**
   - **Hex Code:** 
                            
                            #333333
                        
   - **Description:** A dark charcoal that adds depth and sophistication. This color can be used for text and footer elements, providing contrast against lighter backgrounds and enhancing legibility.

### Summary
This color palette combines professionalism with creativity, making it ideal for a marketing agency's website. The colors work harmoniously together, ensuring a visually appealing and user-friendly experience.