The hex color #02a4dd is a dark color. The web-safe version is Hex
#0099CC. A complementary color is
#FD5B22. The grayscale version is
#818181. A 20% lighter version of the original color is
#35D7FF, and Hex
#0071AA is the 20% darker color. If the color is saturated by 10%, you get
#00A8E6. If the color is desaturated by 10%, the color
#0FA1D4 is obtained.