Closest hex to #1b08c6 is #20c

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#
#20c

1b08c6

1b08c6

contains 20

020 120 200 201 202 203 204 205 206 207 208 209 20a 20b 20c 20d 20e 20f 220 320 420 520 620 720 820 920 a20 b20 c20 d20 e20 f20

contains 0c

00c 0c0 0c1 0c2 0c3 0c4 0c5 0c6 0c7 0c8 0c9 0ca 0cb 0cc 0cd 0ce 0cf 10c 20c 30c 40c 50c 60c 70c 80c 90c a0c b0c c0c d0c e0c f0c

contains 2c

02c 12c 22c 2c0 2c1 2c2 2c3 2c4 2c5 2c6 2c7 2c8 2c9 2ca 2cb 2cc 2cd 2ce 2cf 32c 42c 52c 62c 72c 82c 92c a2c b2c c2c d2c e2c f2c