As character names:

U+25BB WHITE RIGHT-POINTING POINTER character (▻)

As raw characters:

▻

As a string of HTML entities:

▻

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 150, hex 0x96, octal \226, binary 10010110
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 187, hex 0xBB, octal \273, binary 10111011
This is continuation byte 2, expecting 0 more.

U+25BB	WHITE RIGHT-POINTING POINTER
	= forward arrow indicator
	x (contains as normal subgroup - 22B3)