Code point
U+25A6
Glyph appearance depends on your fonts.
U+25A6
SoU+25A6 SQUARE WITH ORTHOGONAL CROSSHATCH 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+25A6
9638
▦
▦
E2 96 A6
25A6
000025A6
%E2%96%A6
\u25A6
\u25A6
\u25A6
\25A6