Das Keyboard 4C Professional - Blue

Here is a good overview of the different cherry mx switches used in these keyboards. Each color has a different feel.

The MX blue switches used in this keyboard are described as:

I assume these are not illuminated because I can’t find anything indicating they are?

I just spent some time on the manufacturer’s web site, and the keys are NOT illuminated. In fact they sell the same keyboard with BLANK KEYS! The only difference is the printing (or absence of it) on the key caps.