Closest hex to #2b6afe is #36f

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#
#36f

2b6afe

2b6afe

contains 36

036 136 236 336 360 361 362 363 364 365 366 367 368 369 36a 36b 36c 36d 36e 36f 436 536 636 736 836 936 a36 b36 c36 d36 e36 f36

contains 6f

06f 16f 26f 36f 46f 56f 66f 6f0 6f1 6f2 6f3 6f4 6f5 6f6 6f7 6f8 6f9 6fa 6fb 6fc 6fd 6fe 6ff 76f 86f 96f a6f b6f c6f d6f e6f f6f

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