The hex color #1aa1cf is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#E55E30. The grayscale version is
#838383. A 20% lighter version of the original color is
#4DD4FF, and Hex
#006E9C is the 20% darker color. If the color is saturated by 10%, you get
#0FA4D7. If the color is desaturated by 10%, the color
#259EC7 is obtained.