So you know that colour management is a serious thing.
A long, complicated rabbit hole of a professional thing.
But, if you just want to know what you should set your lowly computer monitor to, when working towards delivery for the web then the answer is sRGB Gamma 2.2.
Set your computer monitor to sRGB and calibrate to that colour space with a gamma of 2.2.
OK so, now for the science part...