#040C08

#040C08

Color Values

HEX

#040C08

RGB

4, 12, 8

HSL

150.0, 50.0%, 3.1%

HSV

150.0, 66.7%, 4.7%

CMYK

66.7%, 0.0%, 33.3%, 95.3%

OKLCH

0.1431 0.0172 164.9

Properties

Cool Dark Nearest: RAL 9005 Jet Black

Color Harmonies

Complementary

#040C08

#0C0408

Analogous

#040C04

#040C0C

#040C08

Triadic

#040C08

#08040C

#0C0804

Split Complementary

#040C08

#0C040C

#0C0404

Tetradic

#040C08

#04040C

#0C0408

#0C0C04

Color Blindness Simulation

Original

#040C08

Protanopia

#070809

Deuteranopia

#070609

Tritanopia

#040A0A

Achromatopsia

#0A0A0A

CSS Usage

background-color: #040C08;
color: #040C08;
border-color: #040C08;
Nearest Tailwind: Neutral 950 #0A0A0A

Tailwind Shades

50
#F4FBF7
100
#E6F5ED
200
#C9EDDB
300
#A3E0C2
400
#71D0A1
500
#40BF80
600
#339966
700
#297A52
800
#206040
900
#1B4630
950
#112C1F

Contrast Checker

Text on white

19.79:1

AA Pass AAA Pass

Text on black

1.06:1

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