Cobalt
#1E5171 · Cobalt
#1E5171 is Cobalt, a cool blue color. It has an RGB value of 30, 81, 113 and a relative luminance of 0.074, 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
8.50:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.47:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #1E5171?
#1E5171 is Cobalt, a cool blue color. In RGB it is 30, 81, 113, and in HSL it is 203°, 58%, 28%.
Is #1E5171 a light or dark color?
#1E5171 has a relative luminance of 0.074, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #1E5171?
Its complementary color is #713E1E. For softer combinations, try the analogous or split-complementary harmonies shown above.