Cobalt
#2A1D72 · Cobalt
#2A1D72 is Cobalt, a cool blue color. It has an RGB value of 42, 29, 114 and a relative luminance of 0.026, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.03
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
13.84:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.52:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #2A1D72?
#2A1D72 is Cobalt, a cool blue color. In RGB it is 42, 29, 114, and in HSL it is 249°, 59%, 28%.
Is #2A1D72 a light or dark color?
#2A1D72 has a relative luminance of 0.026, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #2A1D72?
Its complementary color is #65721D. For softer combinations, try the analogous or split-complementary harmonies shown above.