no special meaning, if your overall appearance is not too vulgar ) it is beautiful but very formal (e.g. may be good for an evening dress) not acceptable in business, except maybe special parties (banquets) may be acceptable among showbiz women but more often they are worn as everyday clothes by some members of some informal social groups (teenagers)

In winter thick black tights are warm with knee high boots. Women wearing sheer black stockings with a suspender belt feature a lot in men's fantasies /magazines/adult movies

I guess when a girl wants to be laid she wears black, right?