Closest hex to #0066cc is #06c

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#06c

0066cc

0066cc

contains 06

006 060 061 062 063 064 065 066 067 068 069 06a 06b 06c 06d 06e 06f 106 206 306 406 506 606 706 806 906 a06 b06 c06 d06 e06 f06

contains 6c

06c 16c 26c 36c 46c 56c 66c 6c0 6c1 6c2 6c3 6c4 6c5 6c6 6c7 6c8 6c9 6ca 6cb 6cc 6cd 6ce 6cf 76c 86c 96c a6c b6c c6c d6c e6c f6c

contains 0c

00c 0c0 0c1 0c2 0c3 0c4 0c5 0c6 0c7 0c8 0c9 0ca 0cb 0cc 0cd 0ce 0cf 10c 20c 30c 40c 50c 60c 70c 80c 90c a0c b0c c0c d0c e0c f0c