The hex color #1da4fb is a light color. The web-safe version is Hex
#3399FF. A complementary color is
#E25B04. The grayscale version is
#949494. A 20% lighter version of the original color is
#50D7FF, and Hex
#0071C8 is the 20% darker color. If the color is saturated by 10%, you get
#11A6FF. If the color is desaturated by 10%, the color
#29A2F1 is obtained.