#040506

#040506

Color Values

HEX

#040506

RGB

4, 5, 6

HSL

210.0, 20.0%, 2.0%

HSV

210.0, 33.3%, 2.4%

CMYK

33.3%, 16.7%, 0.0%, 97.6%

OKLCH

0.1137 0.0044 245.0

Properties

Cool Dark Nearest: black

Color Harmonies

Complementary

#040506

#060504

Analogous

#040606

#040406

#040506

Triadic

#040506

#060405

#050604

Split Complementary

#040506

#060404

#060604

Tetradic

#040506

#060406

#060504

#040604

Color Blindness Simulation

Original

#040506

Protanopia

#040406

Deuteranopia

#040406

Tritanopia

#040606

Achromatopsia

#050505

CSS Usage

background-color: #040506;
color: #040506;
border-color: #040506;
Nearest Tailwind: Zinc 950 #09090B

Tailwind Shades

50
#F6F7F9
100
#EAEDF0
200
#D4DBE2
300
#B6C2CE
400
#8EA1B4
500
#668099
600
#52667A
700
#415262
800
#33404D
900
#283039
950
#191F24

Contrast Checker

Text on white

20.4:1

AA Pass AAA Pass

Text on black

1.03:1

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