Improve my Logo

This is what C3 was looking for in their logo design

I made a logo myself but it does not look professional enough. I need it to look better that it does now. You can vary off of the idea. The idea is a C and a 3. My business name is Complee3D and can also be part of the logo. In this Logo I included the C and the 3. Colors should stay close to the file I provided since this is part of my company theme.
Also I need an editable Vector format. I used InkScape for this initial design. Read more