#040809

#040809

Color Values

HEX

#040809

RGB

4, 8, 9

HSL

192.0, 38.5%, 2.5%

HSV

192.0, 55.6%, 3.5%

CMYK

55.6%, 11.1%, 0.0%, 96.5%

OKLCH

0.129 0.0093 211.4

Properties

Cool Dark Nearest: RAL 9005 Jet Black

Color Harmonies

Complementary

#040809

#090504

Analogous

#040907

#040509

#040809

Triadic

#040809

#090408

#080904

Split Complementary

#040809

#090405

#090704

Tetradic

#040809

#070409

#090504

#050904

Color Blindness Simulation

Original

#040809

Protanopia

#060609

Deuteranopia

#060509

Tritanopia

#040909

Achromatopsia

#070707

CSS Usage

background-color: #040809;
color: #040809;
border-color: #040809;
Nearest Tailwind: Zinc 950 #09090B

Tailwind Shades

50
#F5F9FA
100
#E7F1F3
200
#CEE4E9
300
#AAD0D9
400
#7CB6C5
500
#4E9DB1
600
#3F7E8D
700
#326471
800
#274E58
900
#203B41
950
#142529

Contrast Checker

Text on white

20.12:1

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