Here's a color palette based on your query for a "soft matte pastel bold blue" theme:

### Color Palette: Soft Matte Pastel Bold Blue

1. **Sky Blue**
   - **Hex Code:** 
          
          #A4D8E1
       
   - **Description:** A gentle, soft blue that resembles a clear sky, providing a calming base for the palette.

2. **Powder Blue**
   - **Hex Code:** 
          
          #B0E0E6
       
   - **Description:** A light pastel blue with a matte finish, giving a serene and soothing touch, perfect for backgrounds.

3. **Cerulean Blue**
   - **Hex Code:** 
          
          #007BA7
       
   - **Description:** A bold blue that adds depth to the palette, reminiscent of a bright ocean, invigorating and energizing.

4. **Soft Lavender Blue**
   - **Hex Code:** 
          
          #A7C6ED
       
   - **Description:** A delicate blend of lavender and blue, this color offers a soft contrast to bolder hues while maintaining a pastel vibe.

5. **Mint Cream**
   - **Hex Code:** 
          
          #F0FFF0
       
   - **Description:** A very light, almost white mint color that enhances the palette's pastel quality, providing a fresh and airy feel.

6. **Dusty Blue**
   - **Hex Code:** 
          
          #6A9BD1
       
   - **Description:** A muted blue that bridges the gap between bold and soft, offering a sophisticated touch to the overall palette.

### Palette Description:
This palette encapsulates a serene yet bold atmosphere with its blend of soft pastel tones and vibrant bold blue. The colors work harmoniously together, creating a refreshing and calming aesthetic that is perfect for designs aimed at evoking tranquility while still making a statement. Ideal for branding, web design, or any creative project that seeks to balance softness with striking elements.