Closest hex to #3870b3 is #37b

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#37b

3870b3

3870b3

contains 37

037 137 237 337 370 371 372 373 374 375 376 377 378 379 37a 37b 37c 37d 37e 37f 437 537 637 737 837 937 a37 b37 c37 d37 e37 f37

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 3b

03b 13b 23b 33b 3b0 3b1 3b2 3b3 3b4 3b5 3b6 3b7 3b8 3b9 3ba 3bb 3bc 3bd 3be 3bf 43b 53b 63b 73b 83b 93b a3b b3b c3b d3b e3b f3b