The hex color #1cb4d0 is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#E34B2F. The grayscale version is
#8B8B8B. A 20% lighter version of the original color is
#4FE7FF, and Hex
#00819D is the 20% darker color. If the color is saturated by 10%, you get
#11B8D7. If the color is desaturated by 10%, the color
#27B0C9 is obtained.