Cobalt
#1F529E · Cobalt
#1F529E is Cobalt, a cool blue color. It has an RGB value of 31, 82, 158 and a relative luminance of 0.088, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.09
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
7.61:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.76:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #1F529E?
#1F529E is Cobalt, a cool blue color. In RGB it is 31, 82, 158, and in HSL it is 216°, 67%, 37%.
Is #1F529E a light or dark color?
#1F529E has a relative luminance of 0.088, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #1F529E?
Its complementary color is #9E6B1F. For softer combinations, try the analogous or split-complementary harmonies shown above.