Color #363739

In the Register's classification, #363739 belongs to the Azure Color Family, featuring Desaturated and Dark brightness. The mix behind it: rgb(54, 55, 57) — 21.2% red, 21.6% green, 22.4% blue; the print equivalent is CMYK 1 / 1 / 0 / 78. New to color codes? See our guide to RGB color codes.

The color #363739 reads as a softly muted neutral grey and leans clearly toward the dark side. Designers typically reach for tones like this for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Onyx (#353839). Its next-closest registered neighbors are Dark Grey (#363737) and Shark (#34363A).

The recipe behind #363739 is rgb(54, 55, 57), with blue as the dominant ingredient. If you plan to put text on a #363739 background, choose white — the contrast ratio is 11.9:1 (passing WCAG AAA), while black manages only 1.8:1. On paper it relies strongly on black ink (K:78), so proof dark layouts before a large print run. No one has named #363739 so far. Register a name for it and it becomes a permanent record.