The Samsung S24C750 has a maximum contrast ratio of 3000:1. That's 100% less contrast ratio than the most common dynamic contrast ratio of 20000000:1. The contrast ratio of all PC monitors of this type and age ranges from Mega Contrast to 100000000:1.
Other PC monitors that have a 3000:1 dynamic contrast ratio currently available that you might want to look at include the iiyama X2485WS (£220.36) which is cheaper; or the HP Compaq LA2405 (£149.99), or the Benq BL2410 (£172.11) which has a better Rating.
PC monitors with a higher contrast ratio that might be worth looking at include the MultiSync EA234 (£232.88) (25000:1 and higher rated), or the MultiSync EA274 (£528.00) (25000:1 and higher rated) both from NEC; or the LG 32LS33 (£370.57) (500000:1 and cheaper).