Code point
U+2B21
Glyph appearance depends on your fonts.
U+2B21
SoU+2B21 WHITE HEXAGON 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+2B21
11041
⬡
⬡
E2 AC A1
2B21
00002B21
%E2%AC%A1
\u2B21
\u2B21
\u2B21
\2B21