The S24C300 has a maximum contrast ratio of 1000:1. That's 100% less contrast ratio than a 20000000:1 PC screen, which is the most common contrast ratio. Across all medium monitors that were released more than two years ago the worst contrast ratio is Mega Contrast and the best is 100000000:1.
We think you might also be interested in some of the alternative PC screens that have a 1000:1 dynamic contrast ratio currently available including because of it's better review score, the Samsung S23B350[plb_2161414_price].
If the contrast ratio of this PC display is not high enough for you then you might also want to consider the ZR24w[pl_1468259_price] (3000:1 and higher rated), or the ZR30w[pl_1468208_price] (3000:1 and higher rated) both from HP.