...
The photo and film industry has been using color rendition chart for charts for decades ensure high quality results. You can read about it here.
It offers a standard color chart generator (using published sRGB values. You can use it ) that can be used in your look-dev renders as an absolute stable color reference. The color chart is generated at 1024x768 and should be saved as a 8-bits image (tiff, png) with "burn mapping" enabled.
...