U+26AB, ⚫
MEDIUM BLACK CIRCLE

[U+26AA]
Miscellaneous Symbols
[U+26AC]
Presentations of ⚫︎
Text
style
Emoji
style
⚫︎ ⚫️
Note: Character's appearance
may be different on each system.
Text style is forced with ︎
and emoji style with ️

Emoji