The hex color #3a8dc9 is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#C57236. The grayscale version is
#858585. A 20% lighter version of the original color is
#6DC0FC, and Hex
#075A96 is the 20% darker color. If the color is saturated by 10%, you get
#328ED0. If the color is desaturated by 10%, the color
#428CC2 is obtained.