Closest hex to #ca3c3c is #c44

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#c44

ca3c3c

ca3c3c

contains c4

0c4 1c4 2c4 3c4 4c4 5c4 6c4 7c4 8c4 9c4 ac4 bc4 c40 c41 c42 c43 c44 c45 c46 c47 c48 c49 c4a c4b c4c c4d c4e c4f cc4 dc4 ec4 fc4

contains 44

044 144 244 344 440 441 442 443 444 445 446 447 448 449 44a 44b 44c 44d 44e 44f 544 644 744 844 944 a44 b44 c44 d44 e44 f44

contains c4

0c4 1c4 2c4 3c4 4c4 5c4 6c4 7c4 8c4 9c4 ac4 bc4 c40 c41 c42 c43 c44 c45 c46 c47 c48 c49 c4a c4b c4c c4d c4e c4f cc4 dc4 ec4 fc4