The hex color #1fa1b5 is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#E05E4A. The grayscale version is
#7C7C7C. A 20% lighter version of the original color is
#52D4E8, and Hex
#006E82 is the 20% darker color. If the color is saturated by 10%, you get
#16A5BB. If the color is desaturated by 10%, the color
#289DAF is obtained.