Visual Identity for My YouTube & Instagram

I have a YouTube channel and an Instagram page focused on public competition, specifically in the police area. I need a modern and professional visual identity for both platforms, including a logo, banner, and avatar.

Key Requirements:
- Design a modern and professional visual identity
- Incorporate police symbols and study materials into the logo
- Use a blue and white color scheme

Ideal Skills:
- Graphic design
- Branding
- Familiarity with YouTube and Instagram design specifications