Sure! Let’s expand the palette further by adding more shades that complement and enhance the existing colors, making it richer and more versatile for various design applications.

 <Expanded Deep Red Plus>
1. Deep Red - 
                            
                            #771102
                         - A bold, rich red that serves as the base color, evoking strong emotions.
2. Light Red - 
                            
                            #A03B3B
                         - A softer, lighter shade of red that maintains the warmth of the base color.
3. Dark Maroon - 
                            
                            #4C0B0B
                         - A darker variant that adds depth and sophistication, perfect for shadowing.
4. Warm Beige - 
                            
                            #D6C5B7
                         - A neutral, light beige that complements the reds and adds balance to the palette.
5. Golden Yellow - 
                            
                            #D5A91D
                         - A warm, golden yellow that offers a cheerful contrast and enhances the vibrancy of the red tones.
6. Coral - 
                            
                            #FF6F61
                         - A vibrant coral that adds a playful touch and harmonizes well with the reds.
7. Soft Pink - 
                            
                            #F4B6C2
                         - A gentle pink that introduces a softer, more whimsical element to the palette.
8. Olive Green - 
                            
                            #5B4B29
                         - A muted green that grounds the palette and adds an earthy contrast.
9. Slate Gray - 
                            
                            #7D7B7A
                         - A cool gray that can be used for text or backgrounds, providing balance to the warm tones.
10. Bright White - 
                            
                            #FFFFFF
                         - A crisp white that adds freshness and can be used to create contrast and highlight elements.

This expanded palette offers a wide range of colors that can be used for various design elements, from characters to backgrounds, ensuring a cohesive and dynamic look.

Would you like suggestions on how to use these colors effectively in your designs, or do you have a particular project in mind?