#042751

#042751

Color Values

HEX

#042751

RGB

4, 39, 81

HSL

212.7, 90.6%, 16.7%

HSV

212.7, 95.1%, 31.8%

CMYK

95.1%, 51.9%, 0.0%, 68.2%

OKLCH

0.2764 0.0863 255.8

Properties

Cool Dark Nearest: RAL 5026 Pearl Night Blue

Color Harmonies

Complementary

#042751

#512E04

Analogous

#044E51

#070451

#042751

Triadic

#042751

#510427

#275104

Split Complementary

#042751

#510704

#4E5104

Tetradic

#042751

#51044E

#512E04

#045107

Color Blindness Simulation

Original

#042751

Protanopia

#131347

Deuteranopia

#110E44

Tritanopia

#063F3D

Achromatopsia

#232323

CSS Usage

background-color: #042751;
color: #042751;
border-color: #042751;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F1F7FD
100
#DFECFB
200
#BBD8FC
300
#8ABDF9
400
#4B99F6
500
#0C75F3
600
#0A5EC2
700
#084B9C
800
#063B7A
900
#092D58
950
#061C38

Contrast Checker

Text on white

14.85:1

AA Pass AAA Pass

Text on black

1.41:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026