Closest hex to #3399ff is #39f

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#39f

3399ff

3399ff

contains 39

039 139 239 339 390 391 392 393 394 395 396 397 398 399 39a 39b 39c 39d 39e 39f 439 539 639 739 839 939 a39 b39 c39 d39 e39 f39

contains 9f

09f 19f 29f 39f 49f 59f 69f 79f 89f 99f 9f0 9f1 9f2 9f3 9f4 9f5 9f6 9f7 9f8 9f9 9fa 9fb 9fc 9fd 9fe 9ff a9f b9f c9f d9f e9f f9f

contains 3f

03f 13f 23f 33f 3f0 3f1 3f2 3f3 3f4 3f5 3f6 3f7 3f8 3f9 3fa 3fb 3fc 3fd 3fe 3ff 43f 53f 63f 73f 83f 93f a3f b3f c3f d3f e3f f3f