#040709

#040709

Color Values

HEX

#040709

RGB

4, 7, 9

HSL

204,0, 38,5%, 2,5%

HSV

204,0, 55,6%, 3,5%

CMYK

55,6%, 22,2%, 0,0%, 96,5%

OKLCH

0,1249 0,0089 231,5

Properties

Cool Dark Nearest: RAL 9005 Jet Black

Color Harmonies

Complementary

#040709

#090604

Analogous

#040908

#040409

#040709

Triadic

#040709

#090407

#070904

Split Complementary

#040709

#090404

#090804

Tetradic

#040709

#080409

#090604

#040904

Color Blindness Simulation

Original

#040709

Protanopia

#050509

Deuteranopia

#050508

Tritanopia

#040808

Achromatopsia

#070707

CSS Usage

background-color: #040709;
color: #040709;
border-color: #040709;
Nearest Tailwind: Zinc 950 #09090B

Tailwind Shades

50
#F5F8FA
100
#E7EEF3
200
#CEDEE9
300
#AAC7D9
400
#7CA8C5
500
#4E89B1
600
#3F6E8D
700
#325871
800
#274558
900
#203441
950
#142129

Contrast Checker

Text on white

20,2:1

AA Pass AAA Pass

Text on black

1,04:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026