Closest hex to #581ad3 is #52c

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#
#52c

581ad3

581ad3

contains 52

052 152 252 352 452 520 521 522 523 524 525 526 527 528 529 52a 52b 52c 52d 52e 52f 552 652 752 852 952 a52 b52 c52 d52 e52 f52

contains 2c

02c 12c 22c 2c0 2c1 2c2 2c3 2c4 2c5 2c6 2c7 2c8 2c9 2ca 2cb 2cc 2cd 2ce 2cf 32c 42c 52c 62c 72c 82c 92c a2c b2c c2c d2c e2c f2c

contains 5c

05c 15c 25c 35c 45c 55c 5c0 5c1 5c2 5c3 5c4 5c5 5c6 5c7 5c8 5c9 5ca 5cb 5cc 5cd 5ce 5cf 65c 75c 85c 95c a5c b5c c5c d5c e5c f5c