Here’s a color palette that embodies a mysterious and edgy vibe suitable for a Vtuber:

 <Mysterious Edge>
1. Midnight Black - 
          
          #000000
        - A deep, rich black that represents the unknown and adds sophistication.
2. Electric Purple - 
          
          #6A0DAD
        - A vibrant purple that evokes a sense of mystery and creativity.
3. Blood Red - 
          
          #B22222
        - A bold, dark red that conveys intensity and passion, adding an edgy touch.
4. Steel Gray - 
          
          #4B4B4B
        - A cool gray that adds depth and modernity, complementing the more vibrant colors.
5. Ghost White - 
          
          #F8F8FF
        - A soft, almost ethereal white that provides contrast and a hint of the supernatural.

This palette combines dark and bold colors, creating a striking look that fits the mysterious and edgy theme while allowing for a variety of design applications.

What elements or themes do you want to emphasize in your Vtuber design? Or do you have any specific visuals in mind?