It is not informative yet, but I like that it’s blue. It’s a quite recognizable color. Windows made it recognizable by having a lot of BSODs. People are asking why it couldn’t be just black, but with non-black BSOD one can recognize it instantly without reading the text.
Just for reference, a few years back, (ex-Microsoft) David Plummer had this historical dive into the (MIPS) origin of the blue color, and how Windows is not blue anymore: https://youtu.be/KgqJJECQQH0?t=780