The best replacement for black suit is tuxedo.

The best alternatives to black suit are rated as following:
★★★★★  tuxedo
★★  grey suit
★★  tux
★★  navy suit
★  charcoal
★  blue suit
★  black tux
★  charcoal suit
  white suit
  gray suit

Your alternative for black suit is not listed? Suggest!
Speaking about black suit, one probably shouldn't forget about black shirt.

Other search terms related to black suit and their ratings are:
★★★★★ black shirt
★★★★ brown shoes
★★★★ blue shirt
★★★ red tie
★★ black tie
★★ bow tie
★★ pink tie
★ navy tie
★ white tie
★ grey vest
★ light blue shirt
★ navy shirt
★ red bow tie
★ silver tie
pink shirt
grey shirt
royal blue shirt
tie
brown vest
tan shoes
navy blue shirt
yellow tie
gray shirt
You have in mind a companion for black suit and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of black suit in all years. Click on graph for more.
black suit
tuxedo
grey suit