Closest hex to #ca18c7 is #c1c

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#
#c1c

ca18c7

ca18c7

contains c1

0c1 1c1 2c1 3c1 4c1 5c1 6c1 7c1 8c1 9c1 ac1 bc1 c10 c11 c12 c13 c14 c15 c16 c17 c18 c19 c1a c1b c1c c1d c1e c1f cc1 dc1 ec1 fc1

contains 1c

01c 11c 1c0 1c1 1c2 1c3 1c4 1c5 1c6 1c7 1c8 1c9 1ca 1cb 1cc 1cd 1ce 1cf 21c 31c 41c 51c 61c 71c 81c 91c a1c b1c c1c d1c e1c f1c

contains cc

0cc 1cc 2cc 3cc 4cc 5cc 6cc 7cc 8cc 9cc acc bcc cc0 cc1 cc2 cc3 cc4 cc5 cc6 cc7 cc8 cc9 cca ccb ccc ccd cce ccf dcc ecc fcc