As character names:

U+2665 BLACK HEART SUIT 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 153, hex 0x99, octal \231, binary 10011001
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 165, hex 0xA5, octal \245, binary 10100101
This is continuation byte 2, expecting 0 more.

U+2665	BLACK HEART SUIT
	= valentine
	x (heavy black heart - 2764)
	x (heart with tip on the left - 1F394)
	x (blue heart - 1F499)
	x (black heart - 1F5A4)