What can you use a blue screen for?
- Use as a blue chroma-key background for video editing and live streaming.
- Test your display for stuck blue sub-pixels or color uniformity.
- Calibrate blue color balance on monitors and TVs.
- Set up a blue background for product photography.
- Prank a friend with a fake BSOD-style blue screen.
How to use this blue screen
- Click the screen (or press F) to enter true fullscreen — toolbars and tabs disappear.
- Enable Keep Awake if you want the screen to stay on for hours (perfect for a blue screen for 10 hours overnight).
- Adjust brightness with the slider — useful for dim rooms or OLED panels.
- Pick any custom color with the color picker, or jump to another preset below.
- Press Esc any time to exit.
Frequently asked questions
How do I get a full screen blue background?
Click Fullscreen (or press F). The page fills your monitor with pure #0000FF blue. Press Esc to exit.
Is this blue screen good for chroma key?
Yes — it's a saturated pure blue (#0000FF) which works as a software chroma key background for OBS, Premiere, Final Cut and most editing tools.