All colors locked in blue hue - can't change hue Somehow suddenly when I want to edit colors anywhere in my project, be it in the color ramp, or the base or subsurface color of the principled BSDF, or the Bloom color picker of Evee, all the colors seem to be locked in a blue hue. But they render as the color I originally defined them to be.
When I now want to change the hue of one of these colours, it automatically jumps back to the blue hue. Also the color wheel only displays the blue hue.
In the ColorRamp of the screenshot, the right color is actually red and not a dark black. The subsurface color is actually also a saturated, bright red.

I suspect I did something in the color management tab, that causes this to happen. Here a screenshot of my color management tab:

That's how the color picker looks now:

Luckily the colors are more or less as they should be for the final render, but I would still like to tweak some a bit. And it would be nice to know what caused this to happen, so I know what to do next time...
Edit: The rendered image is only in shades of blue too... but in in the rendered view in the viewport it's as it should be.
Thank you for the help!
Ok, because I didn't expect this to be a bug, I didn't go through the usual procedures.
Simply restarting Blender did the job.
sorry for nooby behaviour ;)