#042C55

#042C55

Color Values

HEX

#042C55

RGB

4, 44, 85

HSL

210.4, 91.0%, 17.5%

HSV

210.4, 95.3%, 33.3%

CMYK

95.3%, 48.2%, 0.0%, 66.7%

OKLCH

0.2928 0.0856 253.4

Properties

Cool Dark Nearest: RAL 5026 Pearl Night Blue

Color Harmonies

Complementary

#042C55

#552D04

Analogous

#045555

#050455

#042C55

Triadic

#042C55

#55042C

#2C5504

Split Complementary

#042C55

#550504

#555504

Tetradic

#042C55

#550455

#552D04

#045505

Color Blindness Simulation

Original

#042C55

Protanopia

#15164B

Deuteranopia

#131049

Tritanopia

#064342

Achromatopsia

#262626

CSS Usage

background-color: #042C55;
color: #042C55;
border-color: #042C55;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F1F7FD
100
#DFEDFB
200
#BBDBFC
300
#8AC1F9
400
#4BA0F7
500
#0B7EF4
600
#0965C3
700
#07519C
800
#063F7A
900
#093058
950
#061E38

Contrast Checker

Text on white

14.03:1

AA Pass AAA Pass

Text on black

1.5:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026