As character names:

U+019F LATIN CAPITAL LETTER O WITH MIDDLE TILDE character (Ɵ)

As raw characters:

Ɵ

As a string of HTML entities:

Ɵ

Decoder output:

Byte number 1 is decimal 198, hex 0xC6, octal \306, binary 11000110
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 159, hex 0x9F, octal \237, binary 10011111
This is continuation byte 1, expecting 0 more.

U+019F	LATIN CAPITAL LETTER O WITH MIDDLE TILDE
	= barred o, o bar
	* African languages
	* the formal name does not describe the glyph
	* lowercase is 0275
	x (cyrillic capital letter barred o - 04E8)