Cornflower
#4280CD · Cornflower
#4280CD is Cornflower, a cool blue color. It has an RGB value of 66, 128, 205 and a relative luminance of 0.210, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.21
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
4.04:1
AA normal✕
AA large✓
AAA normal✕
On black
The quick fox
5.20:1
AA normal✓
AA large✓
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #4280CD?
#4280CD is Cornflower, a cool blue color. In RGB it is 66, 128, 205, and in HSL it is 213°, 58%, 53%.
Is #4280CD a light or dark color?
#4280CD has a relative luminance of 0.210, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #4280CD?
Its complementary color is #CD8E42. For softer combinations, try the analogous or split-complementary harmonies shown above.