Modern black tie is all about mix ’n’ matching your tuxedo separates. Start with an always-chic black satin blazer, add a white shirt with pleats for oomph and finish with a killer pair of pants.

For the final word in cool, sport your bow tie undone.

Satin blazer (part of a suit), $1,150, Sand, 416-636-9190.

White pleat- front tuxedo shirt, $170, GotStyle, gsmen.com.

Wool pant with acetate pinstripe finish and piping stripe, $330, and silk/wool bow tie, $125, both from Bustle, bustleclothing.com

Stainless steel cufflinks, $45, Plan B, from GotStyle, gotstyle.com. Patent square toe loafer, $398, Debut from Browns, brownssshoes.com.