Color Palette:

1. Navy Blue
   - Hex Code: 
          
          #001F54
       
   - Description: Represents professionalism and confidence.

2. Light Gray
   - Hex Code: 
          
          #D3D3D3
       
   - Description: Represents neutrality and balance.

3. Teal
   - Hex Code: 
          
          #008080
       
   - Description: Represents communication and creativity.

4. Sky Blue
   - Hex Code: 
          
          #87CEEB
       
   - Description: Represents calmness and trust.

5. Olive Green
   - Hex Code: 
          
          #556B2F
       
   - Description: Represents growth and stability.

6. Peach
   - Hex Code: 
          
          #FFDAB9
       
   - Description: Represents friendliness and warmth.

7. Burgundy
   - Hex Code: 
          
          #800020
       
   - Description: Represents sophistication and elegance.

8. Lavender
   - Hex Code: 
          
          #E6E6FA
       
   - Description: Represents creativity and inspiration.

9. Mustard Yellow
   - Hex Code: 
          
          #FFDB58
       
   - Description: Represents optimism and enthusiasm.

10. Charcoal
    - Hex Code: 
          
          #36454F
       
    - Description: Represents formality and practicality.

11. Coral
    - Hex Code: 
          
          #FF7F50
       
    - Description: Represents energy and excitement.

12. Beige
    - Hex Code: 
          
          #F5F5DC
       
    - Description: Represents simplicity and tranquility.

This color palette is designed to evoke a sense of professionalism, creativity, trust, and warmth, making it suitable for a meetings app where users engage in communication and collaboration.