#040322

#040322

Color Values

HEX

#040322

RGB

4, 3, 34

HSL

241.9, 83.8%, 7.3%

HSV

241.9, 91.2%, 13.3%

CMYK

88.2%, 91.2%, 0.0%, 86.7%

OKLCH

0.1338 0.0663 275.1

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#040322

#212203

Analogous

#031222

#140322

#040322

Triadic

#040322

#220403

#032204

Split Complementary

#040322

#221403

#122203

Tetradic

#040322

#220312

#212203

#032214

Color Blindness Simulation

Original

#040322

Protanopia

#04041B

Deuteranopia

#040419

Tritanopia

#041513

Achromatopsia

#050505

CSS Usage

background-color: #040322;
color: #040322;
border-color: #040322;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F2F2FD
100
#E1E0FA
200
#BFBDF9
300
#928FF5
400
#5752F0
500
#1B15EA
600
#1611BB
700
#120D96
800
#0E0A75
900
#0E0C55
950
#090836

Contrast Checker

Text on white

20.17:1

AA Pass AAA Pass

Text on black

1.04:1

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