Closest hex to #5b31b1 is #53a

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#53a

5b31b1

5b31b1

contains 53

053 153 253 353 453 530 531 532 533 534 535 536 537 538 539 53a 53b 53c 53d 53e 53f 553 653 753 853 953 a53 b53 c53 d53 e53 f53

contains 3a

03a 13a 23a 33a 3a0 3a1 3a2 3a3 3a4 3a5 3a6 3a7 3a8 3a9 3aa 3ab 3ac 3ad 3ae 3af 43a 53a 63a 73a 83a 93a a3a b3a c3a d3a e3a f3a

contains 5a

05a 15a 25a 35a 45a 55a 5a0 5a1 5a2 5a3 5a4 5a5 5a6 5a7 5a8 5a9 5aa 5ab 5ac 5ad 5ae 5af 65a 75a 85a 95a a5a b5a c5a d5a e5a f5a