Closest hex to #003307 is #030

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#
#030

003307

003307

contains 03

003 030 031 032 033 034 035 036 037 038 039 03a 03b 03c 03d 03e 03f 103 203 303 403 503 603 703 803 903 a03 b03 c03 d03 e03 f03

contains 30

030 130 230 300 301 302 303 304 305 306 307 308 309 30a 30b 30c 30d 30e 30f 330 430 530 630 730 830 930 a30 b30 c30 d30 e30 f30

contains 00

000 001 002 003 004 005 006 007 008 009 00a 00b 00c 00d 00e 00f 100 200 300 400 500 600 700 800 900 a00 b00 c00 d00 e00 f00