Closest hex to #3b6fcb is #37c

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#37c

3b6fcb

3b6fcb

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 7c

07c 17c 27c 37c 47c 57c 67c 77c 7c0 7c1 7c2 7c3 7c4 7c5 7c6 7c7 7c8 7c9 7ca 7cb 7cc 7cd 7ce 7cf 87c 97c a7c b7c c7c d7c e7c f7c

contains 3c

03c 13c 23c 33c 3c0 3c1 3c2 3c3 3c4 3c5 3c6 3c7 3c8 3c9 3ca 3cb 3cc 3cd 3ce 3cf 43c 53c 63c 73c 83c 93c a3c b3c c3c d3c e3c f3c