#042F41

#042F41

Color Values

HEX

#042F41

RGB

4, 47, 65

HSL

197.7, 88.4%, 13.5%

HSV

197.7, 93.8%, 25.5%

CMYK

93.8%, 27.7%, 0.0%, 74.5%

OKLCH

0.2871 0.055 231.7

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#042F41

#411604

Analogous

#044134

#041041

#042F41

Triadic

#042F41

#41042F

#2F4104

Split Complementary

#042F41

#410410

#413404

Tetradic

#042F41

#340441

#411604

#104104

Color Blindness Simulation

Original

#042F41

Protanopia

#17173D

Deuteranopia

#14113C

Tritanopia

#063938

Achromatopsia

#272727

CSS Usage

background-color: #042F41;
color: #042F41;
border-color: #042F41;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F2FAFD
100
#E0F3FB
200
#BCE8FB
300
#8CD8F8
400
#4DC3F4
500
#0FAEF0
600
#0C8BC0
700
#096F9A
800
#075778
900
#0A4057
950
#062937

Contrast Checker

Text on white

14.11:1

AA Pass AAA Pass

Text on black

1.49:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026