Code point
U+25A5
Glyph appearance depends on your fonts.
U+25A5
SoU+25A5 SQUARE WITH VERTICAL FILL 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+25A5
9637
▥
▥
E2 96 A5
25A5
000025A5
%E2%96%A5
\u25A5
\u25A5
\u25A5
\25A5