: Unicode character recognition.

Unicode character information

Small blue diamond

Displayed on your computer as: 🔹
(if the character is not rendered properly, you may not have the appropriate fonts)

Unicode name: Small blue diamond
Codepoint (hexadecimal): 0x1F539
Codepoint (decimal): 128313
In unicode block: Miscellaneous Symbols And Pictographs

Html entities:

🔹 or 🔹

Character input:

There is no universal input system for Unicode characters. But you can use the system specific input methods below.

WindowsHold down Alt and press + on the numeric keyboard. Type: 1F539 and release Alt. A registry key needs to be enabled for this to work. See Unicode input (wikipedia) for more details.
Linux: Hold down Crtl and ⇧ Shift and type U1F539. Now press ↵ Enter and release Crtl and ⇧ Shift.

Other Infos:

General category: So (Other_Symbol): A symbol of other type.
Bidirectional class is: ON (Other_Neutral): Most other symbols and punctuation marks.
Canocial combining class is: 0 (Not_Reordered): Spacing and enclosing marks; also many vowel and consonant signs, even if nonspacing.