#042541

#042541

Color Values

HEX

#042541

RGB

4, 37, 65

HSL

207.5, 88.4%, 13.5%

HSV

207.5, 93.8%, 25.5%

CMYK

93.8%, 43.1%, 0.0%, 74.5%

OKLCH

0.2583 0.0645 248.6

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#042541

#412004

Analogous

#04413E

#040741

#042541

Triadic

#042541

#410425

#254104

Split Complementary

#042541

#410407

#413E04

Tetradic

#042541

#3E0441

#412004

#074104

Color Blindness Simulation

Original

#042541

Protanopia

#12133A

Deuteranopia

#100E39

Tritanopia

#063534

Achromatopsia

#202020

CSS Usage

background-color: #042541;
color: #042541;
border-color: #042541;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F2F8FD
100
#E0EEFB
200
#BCDEFB
300
#8CC6F8
400
#4DA8F4
500
#0F89F0
600
#0C6EC0
700
#09589A
800
#074478
900
#0A3457
950
#062137

Contrast Checker

Text on white

15.6:1

AA Pass AAA Pass

Text on black

1.35:1

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