Code point
U+258A
Glyph appearance depends on your fonts.
U+258A
SoU+258A LEFT THREE QUARTERS BLOCK 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+258A
9610
▊
▊
E2 96 8A
258A
0000258A
%E2%96%8A
\u258A
\u258A
\u258A
\258A