I see what you are looking for now. With jpeg obviously not its baked in, with the RAW files I can nudge you in the right direction as I want to do something similar myself but having some issues with getting the calibration to transfer the HALD file (as its a tif and not a raw file).
Hopefully someone with more experience can jump in here but from my understanding, you will need the HALD file and 3D Lut Creator to follow this method. If you watch the video you will see what I mean but still trying to get the technicals sorted. My thinking was if you can export the HALD to 3D Lut as a Mask, you can then export a LUT to use in your render:
Again if someone can jump in on this and give their 2cents I would really appreciate it - I also want to de-expose an image I took of my X-Rite Colour Checker (as its over exposed) and will not calibrate for a shoot I recently did. I can get it to match in 3D Lut Creator with a Log de-exposure but then I cannot export this as a DNG file. Any help on this would be appreciated, Im sure these 2 are closely related and could solve a few problems in one.
Edit: Update on this, I was able to get a good match using Adobes DNG Profile Editor.
I was also able to export the Camera Profiles (Faithful, Landscape, etc) to a DNG file. Im working through now how to convert these to a LUT.
Can I ask whats the intention? Could you shoot on raw and apply the colour/wb with a colour checker passport?