### Color Palette for Excel Sheet Based on 
          
          #384358
       

1. **Midnight Blue**
   - **Hex Code:** 
          
          #384358
       
   - **Description:** A deep, muted blue that serves as the primary color. It establishes a professional and calm atmosphere.

2. **Slate Gray**
   - **Hex Code:** 
          
          #7D8B99
       
   - **Description:** A soft gray with blue undertones that complements Midnight Blue. It provides a neutral balance, perfect for text and secondary elements.

3. **Soft Lavender**
   - **Hex Code:** 
          
          #B8C4D5
       
   - **Description:** This light lavender adds a touch of warmth and softness to the palette. It can be used for headers or highlighted sections.

4. **Coral Peach**
   - **Hex Code:** 
          
          #F2A3A1
       
   - **Description:** A gentle coral that brings a pop of color without overwhelming the viewer. Ideal for alerts or important notes.

5. **Moss Green**
   - **Hex Code:** 
          
          #A8B400
       
   - **Description:** A muted green that introduces a natural element to the palette. It works well for charts or data that need to stand out.

6. **Creamy White**
   - **Hex Code:** 
          
          #F6F7F9
       
   - **Description:** A soft off-white that provides a refreshing background, ensuring readability and a clean look for the overall sheet.

### Palette Summary:
This palette combines a professional, calm base with gentle, approachable accents. The colors are designed for clarity and usability in an Excel sheet while maintaining an aesthetically pleasing appearance.