Code point
U+28FF
Glyph appearance depends on your fonts.
U+28FF
SoU+28FF BRAILLE PATTERN DOTS-12345678 is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Braille Patterns block.
Choose the representation you need, then copy its value.
U+28FF
10495
⣿
⣿
E2 A3 BF
28FF
000028FF
%E2%A3%BF
\u28FF
\u28FF
\u28FF
\28FF