Near-black
#151828 · Near-black
#151828 is Near-black, a cool blue color. It has an RGB value of 21, 24, 40 and a relative luminance of 0.010, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.01
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
17.60:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.19:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Shades & tints
Similar named colors
Frequently asked
What is the color #151828?
#151828 is Near-black, a cool blue color. In RGB it is 21, 24, 40, and in HSL it is 231°, 31%, 12%.
Is #151828 a light or dark color?
#151828 has a relative luminance of 0.010, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #151828?
Its complementary color is #282515. For softer combinations, try the analogous or split-complementary harmonies shown above.