Closest hex to #2171f9 is #27f

Minify your CSS by half!

#
#27f

2171f9

2171f9

contains 27

027 127 227 270 271 272 273 274 275 276 277 278 279 27a 27b 27c 27d 27e 27f 327 427 527 627 727 827 927 a27 b27 c27 d27 e27 f27

contains 7f

07f 17f 27f 37f 47f 57f 67f 77f 7f0 7f1 7f2 7f3 7f4 7f5 7f6 7f7 7f8 7f9 7fa 7fb 7fc 7fd 7fe 7ff 87f 97f a7f b7f c7f d7f e7f f7f

contains 2f

02f 12f 22f 2f0 2f1 2f2 2f3 2f4 2f5 2f6 2f7 2f8 2f9 2fa 2fb 2fc 2fd 2fe 2ff 32f 42f 52f 62f 72f 82f 92f a2f b2f c2f d2f e2f f2f