The meaning of a black wedding band on a woman can vary depending on the individual and their personal style, preferences, and values. However, there are some general interpretations that can be associated with a black wedding band.

From a fashion standpoint, a black wedding band can be seen as a modern and edgy alternative to traditional metal bands. A black wedding band, like the classic "little black dress", is a piece that goes with all outfits and accessories. It'll never clash with your other metals, whether it's silver, gold, or rose gold.

A black wedding band can also symbolize strength, power, and independence. Black is often associated with these qualities, and a woman wearing a black wedding band may be signaling her confidence and self-assurance.

In some cases, a black wedding band may also signify a couple's commitment to a non-traditional or alternative lifestyle. It can represent a desire to break from convention and establish their own rules and values.

It is worth noting that the symbolism of a black wedding band may vary based on the cultural and social context in which it is worn. Ultimately, the meaning behind a black wedding band on a woman is a personal choice and can hold different significance for each individual wearer.