Cobalt
#40427D · Cobalt
#40427D is Cobalt, a cool blue color. It has an RGB value of 64, 66, 125 and a relative luminance of 0.065, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.06
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
9.16:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.29:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #40427D?
#40427D is Cobalt, a cool blue color. In RGB it is 64, 66, 125, and in HSL it is 238°, 32%, 37%.
Is #40427D a light or dark color?
#40427D has a relative luminance of 0.065, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #40427D?
Its complementary color is #7D7B40. For softer combinations, try the analogous or split-complementary harmonies shown above.