As character names:

U+1FB8A RIGHT THREE QUARTERS BLOCK character (🮊)

As raw characters:

🮊

As a string of HTML entities:

🮊

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

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

Byte number 3 is decimal 174, hex 0xAE, octal \256, binary 10101110
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 138, hex 0x8A, octal \212, binary 10001010
This is continuation byte 3, expecting 0 more.

U+1FB8A	RIGHT THREE QUARTERS BLOCK
	x (left three quarters block - 258A)