#042BA0

#042BA0

Color Values

HEX

#042BA0

RGB

4, 43, 160

HSL

225.0, 95.1%, 32.2%

HSV

225.0, 97.5%, 62.7%

CMYK

97.5%, 73.1%, 0.0%, 37.3%

OKLCH

0.3648 0.1905 263.9

Properties

Cool Dark Nearest: navy

Color Harmonies

Complementary

#042BA0

#A07904

Analogous

#0479A0

#2B04A0

#042BA0

Triadic

#042BA0

#A0042B

#2BA004

Split Complementary

#042BA0

#A02B04

#79A004

Tetradic

#042BA0

#A00479

#A07904

#04A02B

Color Blindness Simulation

Original

#042BA0

Protanopia

#151584

Deuteranopia

#13107D

Tritanopia

#066D68

Achromatopsia

#2B2B2B

CSS Usage

background-color: #042BA0;
color: #042BA0;
border-color: #042BA0;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F1F4FE
100
#DFE6FC
200
#B9CAFD
300
#88A5FC
400
#4774FA
500
#0643F9
600
#0535C7
700
#042B9F
800
#03217C
900
#071C5A
950
#041239

Contrast Checker

Text on white

11.3:1

AA Pass AAA Pass

Text on black

1.86:1

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