The hex color #3a8fa2 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#C5705D. The grayscale version is
#797979. A 20% lighter version of the original color is
#6DC2D5, and Hex
#075C6F is the 20% darker color. If the color is saturated by 10%, you get
#3491A6. If the color is desaturated by 10%, the color
#408D9E is obtained.