Sky
#129DD3 · Sky
#129DD3 is Sky, a cool cyan color. It has an RGB value of 18, 157, 211 and a relative luminance of 0.289, making it a dark surface.
Temperature
❄ Cool
Hue family
cyan
Luminance
0.29
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
3.09:1
AA normal✕
AA large✓
AAA normal✕
On black
The quick fox
6.79:1
AA normal✓
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #129DD3?
#129DD3 is Sky, a cool cyan color. In RGB it is 18, 157, 211, and in HSL it is 197°, 84%, 45%.
Is #129DD3 a light or dark color?
#129DD3 has a relative luminance of 0.289, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #129DD3?
Its complementary color is #D34912. For softer combinations, try the analogous or split-complementary harmonies shown above.