Cobalt
#1A3475 · Cobalt
#1A3475 is Cobalt, a cool blue color. It has an RGB value of 26, 52, 117 and a relative luminance of 0.040, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.04
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
11.72:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.79:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #1A3475?
#1A3475 is Cobalt, a cool blue color. In RGB it is 26, 52, 117, and in HSL it is 223°, 64%, 28%.
Is #1A3475 a light or dark color?
#1A3475 has a relative luminance of 0.040, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #1A3475?
Its complementary color is #755B1A. For softer combinations, try the analogous or split-complementary harmonies shown above.