The hex color #2da9ea is a light color. The web-safe version is Hex
#3399FF. A complementary color is
#D25615. The grayscale version is
#959595. A 20% lighter version of the original color is
#60DCFF, and Hex
#0076B7 is the 20% darker color. If the color is saturated by 10%, you get
#23ABF2. If the color is desaturated by 10%, the color
#37A7E2 is obtained.