#042F50

#042F50

Color Values

HEX

#042F50

RGB

4, 47, 80

HSL

206.1, 90.5%, 16.5%

HSV

206.1, 95.0%, 31.4%

CMYK

95.0%, 41.2%, 0.0%, 68.6%

OKLCH

0.297 0.0745 247.5

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#042F50

#502504

Analogous

#04504B

#040950

#042F50

Triadic

#042F50

#50042F

#2F5004

Split Complementary

#042F50

#500409

#504B04

Tetradic

#042F50

#4B0450

#502504

#095004

Color Blindness Simulation

Original

#042F50

Protanopia

#171748

Deuteranopia

#141146

Tritanopia

#064240

Achromatopsia

#282828

CSS Usage

background-color: #042F50;
color: #042F50;
border-color: #042F50;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F1F8FD
100
#DFEFFB
200
#BBE0FC
300
#8AC9F9
400
#4BACF6
500
#0C8FF3
600
#0A72C2
700
#085B9B
800
#064779
900
#093658
950
#062238

Contrast Checker

Text on white

13.75:1

AA Pass AAA Pass

Text on black

1.53:1

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