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Blue Screen Simulator

A solid blue screen useful for lighting, mood, or checking LCD color representation. Select configurations from the dashboard below, preview it live, and start the simulation in fullscreen!

Sandbox Preview

Double click or press ESC in simulator to exit

Control Panel

solid-blue

Solid Blue Screen Online & Mood Light Source

Open a solid, pure blue screen on your device. This utility is ideal for testing color uniformity across your display, calibrating screen colors, and identifying stuck pixels that fail to display blue light properly.

A full-screen blue display can also serve as a cool ambient light source, helping to create a calm, atmospheric mood in a room. It is also useful for researchers or designers experimenting with blue light exposure and display metrics.

Access this tool instantly on any computer, tablet, or smartphone. Transitioning to fullscreen hiding all browser controls, giving you a clean, seamless block of pure blue light.

Frequently Asked Questions

Learn how to set up and use the Blue Screen simulator on phones, TVs, laptops, and tablets.

What are the uses of a solid blue screen?

It is commonly used for display diagnostics, testing monitor color channels, checking for stuck subpixels, and as an atmospheric blue light source.

How do I check for stuck pixels with a blue screen?

Look closely at the blue screen. Any pixel that is black, red, green, or white instead of blue represents a stuck or dead pixel.

How do I exit the fullscreen view?

Double-click the blue screen area or press ESC on your keyboard to exit.