Closest hex to #0063BA is #06b

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#06b

0063BA

0063BA

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 6b

06b 16b 26b 36b 46b 56b 66b 6b0 6b1 6b2 6b3 6b4 6b5 6b6 6b7 6b8 6b9 6ba 6bb 6bc 6bd 6be 6bf 76b 86b 96b a6b b6b c6b d6b e6b f6b

contains 0b

00b 0b0 0b1 0b2 0b3 0b4 0b5 0b6 0b7 0b8 0b9 0ba 0bb 0bc 0bd 0be 0bf 10b 20b 30b 40b 50b 60b 70b 80b 90b a0b b0b c0b d0b e0b f0b