The hex color #209ace is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#DF6531. The grayscale version is
#838383. A 20% lighter version of the original color is
#53CDFF, and Hex
#00679B is the 20% darker color. If the color is saturated by 10%, you get
#169CD6. If the color is desaturated by 10%, the color
#2A98C6 is obtained.