Code point
U+259C
Glyph appearance depends on your fonts.
U+259C
SoU+259C QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER RIGHT is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Block Elements block.
Choose the representation you need, then copy its value.
U+259C
9628
▜
▜
E2 96 9C
259C
0000259C
%E2%96%9C
\u259C
\u259C
\u259C
\259C