aestheticsymbols
Use in a combo

Superscript 3 copy & paste

³ is superscript 3, a plain-text Unicode symbol from the Latin-1 Supplement block. On Aesthetic Symbols it lives in the tiny & superscript collection. As plain text it takes on the font and colour of wherever you paste it — a bio, a username, a caption or a stream title.

Unicode
U+00B3
HTML entity
³
CSS content
\B3
JavaScript
\u{B3}
UTF-8 bytes
C2 B3
Made of

U+00B3 ³ · Latin-1 Supplement

Will it show up? · Long-established text symbols

Plain-text characters from blocks that mainstream desktop and mobile fonts have covered for years. These are the safe ones.

Worked out from how each character is encoded, not from a test on a real device.