Code point
U+2B14
Glyph appearance depends on your fonts.
U+2B14
SoU+2B14 SQUARE WITH UPPER RIGHT DIAGONAL HALF BLACK is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Miscellaneous Symbols and Arrows block.
Choose the representation you need, then copy its value.
U+2B14
11028
⬔
⬔
E2 AC 94
2B14
00002B14
%E2%AC%94
\u2B14
\u2B14
\u2B14
\2B14