#040A04

#040A04

Color Values

HEX

#040A04

RGB

4, 10, 4

HSL

120.0, 42.9%, 2.7%

HSV

120.0, 60.0%, 3.9%

CMYK

60.0%, 0.0%, 60.0%, 96.1%

OKLCH

0.1339 0.0204 144.3

Properties

Cool Dark Nearest: RAL 9005 Jet Black

Color Harmonies

Complementary

#040A04

#0A040A

Analogous

#070A04

#040A07

#040A04

Triadic

#040A04

#04040A

#0A0404

Split Complementary

#040A04

#07040A

#0A0407

Tetradic

#040A04

#04070A

#0A040A

#0A0704

Color Blindness Simulation

Original

#040A04

Protanopia

#070705

Deuteranopia

#060606

Tritanopia

#040707

Achromatopsia

#080808

CSS Usage

background-color: #040A04;
color: #040A04;
border-color: #040A04;
Nearest Tailwind: Neutral 950 #0A0A0A

Tailwind Shades

50
#F5FAF5
100
#E7F4E7
200
#CCEBCC
300
#A8DCA8
400
#78C978
500
#49B649
600
#3A923A
700
#2F752F
800
#245B24
900
#1E431E
950
#132A13

Contrast Checker

Text on white

19.99:1

AA Pass AAA Pass

Text on black

1.05:1

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