Code point
U+02D1
Glyph appearance depends on your fonts.
U+02D1
LmU+02D1 MODIFIER LETTER HALF TRIANGULAR COLON is a Unicode 16.0.0 character in the Modifier Letter category. It belongs to the Spacing Modifier Letters block.
Choose the representation you need, then copy its value.
U+02D1
721
ˑ
ˑ
CB 91
02D1
000002D1
%CB%91
\u02D1
\u02D1
\u02D1
\02D1