Based on the provided colors and keywords, here is a color palette:

1. Color Name: Classy Russet
   Hex Code: 
                            
                            #8E5A44
                        
   Description: A rich and elegant earthy tone, reminiscent of red-brown russet.

2. Color Name: Sage Elegance
   Hex Code: 
                            
                            #A0BAA5
                        
   Description: A sophisticated and calming green-grey color, evoking a sense of natural elegance.

3. Color Name: Midnight Velvet
   Hex Code: 
                            
                            #2C3E50
                        
   Description: A deep and luxurious dark blue with hints of purple, akin to the rich tones of midnight velvet.

4. Color Name: Soft Ivory
   Hex Code: 
                            
                            #F8F9F9
                        
   Description: A gentle and light off-white shade, providing a soft contrast to the deeper tones.

5. Color Name: Dusty Rose
   Hex Code: 
                            
                            #D4A2A2
                        
   Description: A muted and vintage pink with a touch of grey, adding a subtle warmth to the palette.

6. Color Name: Steel Grey
   Hex Code: 
                            
                            #808B96
                        
   Description: A cool and modern grey color, offering a versatile and balanced addition to the palette.

This palette incorporates the primary, secondary, and tertiary colors provided, along with complementary shades to create a harmonious and sophisticated 6-color palette.