Cobalt
#290ED8 · Cobalt
#290ED8 is Cobalt, a cool blue color. It has an RGB value of 41, 14, 216 and a relative luminance of 0.057, 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
9.77:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.15:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #290ED8?
#290ED8 is Cobalt, a cool blue color. In RGB it is 41, 14, 216, and in HSL it is 248°, 88%, 45%.
Is #290ED8 a light or dark color?
#290ED8 has a relative luminance of 0.057, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #290ED8?
Its complementary color is #BDD80E. For softer combinations, try the analogous or split-complementary harmonies shown above.