You should also take a look at the HTML character name and code tables.

The following shows the ASCII character set with the list of character codes in decimal, hexadecimal, and octal.
Where applicable the corresponding control-key is also given.

Dec Hex Oct 0 00 000 (Ctrl-@) NUL Null 1 01 001 (Ctrl-A) SOH Start of Heading 2 02 002 (Ctrl-B) STX Start of Text 3 03 003 (Ctrl-C) ETX End of text 4 04 004 (Ctrl-D) EOT End of transmission 5 05 005 (Ctrl-E) ENQ Enquiry 6 06 006 (Ctrl-F) ACK Acknowledge 7 07 007 (Ctrl-G) BEL Bell 8 08 010 (Ctrl-H) BS Backspace 9 09 011 (Ctrl-I) TAB Horizontal tab 10 0A 012 (Ctrl-J) LF Line feed 11 0B 013 (Ctrl-K) VT Vertical tab 12 0C 014 (Ctrl-L) FF Form feed 13 0D 015 (Ctrl-M) CR Carriage return 14 0E 016 (Ctrl-N) SO Shift out 15 0F 017 (Ctrl-O) SI Shift in 16 10 020 (Ctrl-P) DLE Data link escape 17 11 021 (Ctrl-Q) DC1 Device control 1 18 12 022 (Ctrl-R) DC2 Device control 2 19 13 023 (Ctrl-S) DC3 Device control 3 20 14 024 (Ctrl-T) DC4 Device control 4 21 15 025 (Ctrl-U) NAK Negative acknowledge 22 16 026 (Ctrl-V) SYN Synchronous idle 23 17 027 (Ctrl-W) ETB End of trans. block 24 18 030 (Ctrl-X) CAN Cancel 25 19 031 (Ctrl-Y) EM End of medium 26 1A 032 (Ctrl-Z) SUB Substitute 27 1B 033 (Ctrl-[) ESC Escape 28 1C 034 (Ctrl-\) FS File separator 29 1D 035 (Ctrl-]) GS Group separator 30 1E 036 (Ctrl-^) RS Record separator 31 1F 037 (Ctrl-_) US Unit separator

Dec Hex Oct 32 20 040 Space   33 21 041 !   34 22 042 "   35 23 043 #   36 24 044 $   37 25 045 %   38 26 046 &   39 27 047 '   40 28 050 (   41 29 051 )   42 2A 052 *   43 2B 053 +   44 2C 054 ,   45 2D 055 -   46 2E 056 .   47 2F 057 /   48 30 060 0   49 31 061 1   50 32 062 2   51 33 063 3   52 34 064 4   53 35 065 5   54 36 066 6   55 37 067 7   56 38 070 8   57 39 071 9   58 3A 072 :   59 3B 073 ;   60 3C 074 <   61 3D 075 =   62 3E 076 >   63 3F 077 ?

Dec Hex Oct 64 40 100 @   65 41 101 A   66 42 102 B   67 43 103 C   68 44 104 D   69 45 105 E   70 46 106 F   71 47 107 G   72 48 110 H   73 49 111 I   74 4A 112 J   75 4B 113 K   76 4C 114 L   77 4D 115 M   78 4E 116 N   79 4F 117 O   80 50 120 P   81 51 121 Q   82 52 122 R   83 53 123 S   84 54 124 T   85 55 125 U   86 56 126 V   87 57 127 W   88 58 130 X   89 59 131 Y   90 5A 132 Z   91 5B 133 [   92 5C 134 \   93 5D 135 ]   94 5E 136 ^   95 5F 137 _

Dec Hex Oct 96 60 140 `   97 61 141 a   98 62 142 b   99 63 143 c   100 64 144 d   101 65 145 e   102 66 146 f   103 67 147 g   104 68 150 h   105 69 151 i   106 6A 152 j   107 6B 153 k   108 6C 154 l   109 6D 155 m   110 6E 156 n   111 6F 157 o   112 70 160 p   113 71 161 q   114 72 162 r   115 73 163 s   116 74 164 t   117 75 165 u   118 76 166 v   119 77 167 w   120 78 170 x   121 79 171 y   122 7A 172 z   123 7B 173 {   124 7C 174 |   125 7D 175 }   126 7E 176 ~   127 7F 177 DEL