Here is a luxury color palette consisting of six colors, including shades of red and gray:

1. Color Name: Crimson
   Hex Code: 
                            
                            #DC143C
                        
   Description: A deep, rich red resembling the color of a luxurious velvet fabric. It exudes elegance, sophistication, and opulence.

2. Color Name: Platinum
   Hex Code: 
                            
                            #E5E4E2
                        
   Description: A cool and sophisticated shade of gray that adds a touch of refinement and modernity. It represents exclusivity and timeless elegance.

3. Color Name: Ruby
   Hex Code: 
                            
                            #E0115F
                        
   Description: A vibrant shade of red with a hint of pink, reminiscent of a precious gemstone. It symbolizes luxury, passion, and allure.

4. Color Name: Graphite
   Hex Code: 
                            
                            #383838
                        
   Description: A dark and intense gray, resembling the color of a high-end graphite pencil. It conveys a sense of mystery, strength, and power.

5. Color Name: Wine
   Hex Code: 
                            
                            #800020
                        
   Description: A deep, velvety red with a hint of purple, resembling the color of a fine wine. It evokes feelings of luxury, refinement, and indulgence.

6. Color Name: Silver
   Hex Code: 
                            
                            #C0C0C0
                        
   Description: A cool and metallic shade of gray, reminiscent of polished silver. It represents sophistication, elegance, and a touch of glamour.

This color palette combines the richness of red tones with the elegance and versatility of gray shades, creating a luxurious and upscale aesthetic.