As character names:

U+003A COLON character (:)

As raw characters:

:

As a string of HTML entities:

:

Decoder output:

Byte number 1 is decimal 58, hex 0x3A, octal \072, binary 00111010

U+003A	COLON
	* also used to denote division or scale; for that mathematical use 2236 is preferred
	* in Finnish and Swedish, also used as intra-word punctation (abbreviation mark)
	x (modifier letter triangular colon - 02D0)
	x (modifier letter raised colon - 02F8)
	x (armenian full stop - 0589)
	x (hebrew punctuation sof pasuq - 05C3)
	x (ethiopic wordspace - 1361)
	x (ethiopic colon - 1365)
	x (two dot punctuation - 205A)
	x (tricolon - 205D)
	x (ratio - 2236)
	x (modifier letter colon - A789)
	x (presentation form for vertical two dot leader - FE30)