Esquire, November 1940
Here’s an interesting look back at the “correct details” of evening clothes circa 1940 courtesy of Esquire magazine. While some of the advice is specific to that particular period the vast majority of it remains pertinent to this day. (Click on the images for larger versions.)
It’s hard to say whether the gloves rule applied to indoor or outdoor gloves as mocha and doeskin were usually only worn outdoors while kid was standard indoors. Also, indoor gloves were rarely worn by this time other than for weddings.
I’m quite sure the authors meant to say that midnight-blue or MAROON colours are acceptable for cummerbunds at resorts. White was only for waistcoats.