Is 嬆 commonly used in modern Chinese names?

No, 嬆 is quite rare in modern naming due to its classical and somewhat archaic nature, though it carries elegant connotations.

What kind of impression does 嬆 create in a name?

It conveys traditional feminine virtues of dignity, respectfulness, and moral character, creating a classical and refined impression.

It pairs well with characters that reinforce its virtuous and elegant meaning.

嬆Tone 1

xī ｜ 15 strokes ｜ radical:

Virtuous;

dignified;

respectful — describing a woman's dignified and virtuous character.

Virtuousdignifiedrespectful — describing a woman's dignified and virtuous

Dignified and virtuousVirtuous womanRespectful demeanorDignified conductVirtuous characterElegant and virtuous

This character is specifically used to describe women's virtuous and dignified qualities in traditional Chinese culture.
It reflects the traditional values that emphasize women's moral character and dignified behavior.
The character is relatively rare in modern usage but retains its classical elegance.