Code point
U+25C0
Glyph appearance depends on your fonts.
U+25C0
SoU+25C0 BLACK LEFT-POINTING TRIANGLE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Geometric Shapes block.
Choose the representation you need, then copy its value.
U+25C0
9664
◀
◀
E2 97 80
25C0
000025C0
%E2%97%80
\u25C0
\u25C0
\u25C0
\25C0