Closest hex to #3c7bb7 is #47b

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#47b

3c7bb7

3c7bb7

contains 47

047 147 247 347 447 470 471 472 473 474 475 476 477 478 479 47a 47b 47c 47d 47e 47f 547 647 747 847 947 a47 b47 c47 d47 e47 f47

contains 7b

07b 17b 27b 37b 47b 57b 67b 77b 7b0 7b1 7b2 7b3 7b4 7b5 7b6 7b7 7b8 7b9 7ba 7bb 7bc 7bd 7be 7bf 87b 97b a7b b7b c7b d7b e7b f7b

contains 4b

04b 14b 24b 34b 44b 4b0 4b1 4b2 4b3 4b4 4b5 4b6 4b7 4b8 4b9 4ba 4bb 4bc 4bd 4be 4bf 54b 64b 74b 84b 94b a4b b4b c4b d4b e4b f4b