Closest hex to #3f80b7 is #48b

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#48b

3f80b7

3f80b7

contains 48

048 148 248 348 448 480 481 482 483 484 485 486 487 488 489 48a 48b 48c 48d 48e 48f 548 648 748 848 948 a48 b48 c48 d48 e48 f48

contains 8b

08b 18b 28b 38b 48b 58b 68b 78b 88b 8b0 8b1 8b2 8b3 8b4 8b5 8b6 8b7 8b8 8b9 8ba 8bb 8bc 8bd 8be 8bf 98b a8b b8b c8b d8b e8b f8b

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