Code point
U+25D3
Glyph appearance depends on your fonts.
U+25D3
SoU+25D3 CIRCLE WITH UPPER HALF BLACK 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+25D3
9683
◓
◓
E2 97 93
25D3
000025D3
%E2%97%93
\u25D3
\u25D3
\u25D3
\25D3