Cobalt
#15507A · Cobalt
#15507A is Cobalt, a cool blue color. It has an RGB value of 21, 80, 122 and a relative luminance of 0.073, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.07
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
8.54:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.46:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #15507A?
#15507A is Cobalt, a cool blue color. In RGB it is 21, 80, 122, and in HSL it is 205°, 71%, 28%.
Is #15507A a light or dark color?
#15507A has a relative luminance of 0.073, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #15507A?
Its complementary color is #7A3F15. For softer combinations, try the analogous or split-complementary harmonies shown above.