For dress suits you should take a darker color for a light suit and a lighter color for a dark suit. So a dark heather grey suit might work with light heather grey socks.
Alternately, you can try adding a pop of color by wearing turquoise socks, but you would need to change the tie to match.
For dress suits you should take a darker color for a light suit and a lighter color for a dark suit. So a dark heather grey suit might work with light heather grey socks.
Alternately, you can try adding a pop of color by wearing turquoise socks, but you would need to change the tie to match.