System Information
Windows 10, GTX 1070

Blender Version
Broken: Blender 2.8 Alpha 2 74737091c00
Worked: Blender 2.79

Short description of error
Creating a new scene doesn't use the default Colour Management settings. In the latest build, it changes from sRGB to DCI-P3.
You'll notice even the 3D viewport background colour changing slightly.

Exact steps for others to reproduce the error

1. Open up a new Blender scene
2. Create a new Scene ( New )

Notice the 3D viewport background slightly changing, as well as the changed settings in Colour Management.