Dark Blue Background For PowerPoint With Woven Glowing Wave Lines

A free dark blue background for PowerPoint with dozens of crossing, glowing wave lines.

Created by Elena Gidura · August 15, 2026

This dark blue background layers dozens of thin, glowing lines that cross and weave together like woven threads across the lower third, leaving the top open for a title on any sleek, tech-forward slide.

Works well for

  • Tech and data-driven presentations
  • Corporate reports and quarterly reviews
  • Networking and telecom product decks
  • Startup pitch and investor presentations
  • Anyone who wants a sleek, modern dark backdrop

Specs

  • 1920 x 1080 px · 16:9 widescreen
  • JPG, high quality, no compression artefacts
  • PowerPoint · Google Slides · Keynote · Canva
  • No watermark · no sign-up
  • Free for personal and commercial use

You can use this Sleek Woven Wave Line Background For PowerPoint as a Wallpaper or use it as a background for slides.

Browse all our free professional and corporate slide backgrounds, or see how to set a background in PowerPoint and Google Slides.

Download free HD background

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