Signal Cyan
#18B4F7 · Signal Cyan
#18B4F7 is Signal Cyan, a cool cyan color. It has an RGB value of 24, 180, 247 and a relative luminance of 0.396, making it a dark surface.
Temperature
❄ Cool
Hue family
cyan
Luminance
0.40
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
2.36:1
AA normal✕
AA large✕
AAA normal✕
On black
The quick fox
8.91:1
AA normal✓
AA large✓
AAA normal✓
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #18B4F7?
#18B4F7 is Signal Cyan, a cool cyan color. In RGB it is 24, 180, 247, and in HSL it is 198°, 93%, 53%.
Is #18B4F7 a light or dark color?
#18B4F7 has a relative luminance of 0.396, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #18B4F7?
Its complementary color is #F75B18. For softer combinations, try the analogous or split-complementary harmonies shown above.