cobalt

A chemical element (symbol Co) with an atomic number of 27: a hard, lustrous, silver-gray metal.

Cobalt blue.

And although we’ve certainly seen a variety of blue shades — from periwinkle to cobalt and even Dean Cain’s indigo-washed costume from the 1990’s TV show “Lois & Clark” — Superman’s uniform is still instantly recognizable across generations. In fact, there is only one film — Zack Snyder’s 2013 “Man of Steel” — in which Superman does not wear his iconic red belted trunks.

A village in Connecticut.

A town in Ontario.

An unincorporated community in Idaho.