#042A39

#042A39

Color Values

HEX

#042A39

RGB

4, 42, 57

HSL

197.0, 86.9%, 12.0%

HSV

197.0, 93.0%, 22.4%

CMYK

93.0%, 26.3%, 0.0%, 77.6%

OKLCH

0.2675 0.0493 229.5

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#042A39

#391304

Analogous

#04392E

#041039

#042A39

Triadic

#042A39

#39042A

#2A3904

Split Complementary

#042A39

#390410

#392E04

Tetradic

#042A39

#2E0439

#391304

#103904

Color Blindness Simulation

Original

#042A39

Protanopia

#141535

Deuteranopia

#120F34

Tritanopia

#063332

Achromatopsia

#232323

CSS Usage

background-color: #042A39;
color: #042A39;
border-color: #042A39;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F2FAFD
100
#E0F3FA
200
#BCE9FA
300
#8DD9F7
400
#4FC4F3
500
#11B0EE
600
#0D8CBF
700
#0B7099
800
#085877
900
#0B4156
950
#072937

Contrast Checker

Text on white

15.05:1

AA Pass AAA Pass

Text on black

1.4:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026