The technology adjusts the wavelength of blue light at the source and then performs the necessary color correction to reach the original gamut of the panel. The end result is a display that automatically reduces "harmful" blue light without impacting colors or requiring special filters or glasses from the end user.
https://www.notebookcheck.net/Worried-about-eyestrain-from-blue-light-Eyesafe-has-an-in-display-solution-for-the-latest-Dell-laptops.421366.0.html
I don't see how this could avoid lowering color accuracy.