Closest hex to #2d4157 is #345

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#
#345

2d4157

2d4157

contains 34

034 134 234 334 340 341 342 343 344 345 346 347 348 349 34a 34b 34c 34d 34e 34f 434 534 634 734 834 934 a34 b34 c34 d34 e34 f34

contains 45

045 145 245 345 445 450 451 452 453 454 455 456 457 458 459 45a 45b 45c 45d 45e 45f 545 645 745 845 945 a45 b45 c45 d45 e45 f45

contains 35

035 135 235 335 350 351 352 353 354 355 356 357 358 359 35a 35b 35c 35d 35e 35f 435 535 635 735 835 935 a35 b35 c35 d35 e35 f35