The hex color #7da4ef is a light color. The web-safe version is Hex
#6699FF. A complementary color is
#825B10. The grayscale version is
#B0B0B0. A 20% lighter version of the original color is
#B0D7FF, and Hex
#4A71BC is the 20% darker color. If the color is saturated by 10%, you get
#78A3F5. If the color is desaturated by 10%, the color
#82A5E9 is obtained.