Closest hex to #0623cb is #02c

Minify your CSS by half!

#
#02c

0623cb

0623cb

contains 02

002 020 021 022 023 024 025 026 027 028 029 02a 02b 02c 02d 02e 02f 102 202 302 402 502 602 702 802 902 a02 b02 c02 d02 e02 f02

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

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