#040507

#040507

Color Values

HEX

#040507

RGB

4, 5, 7

HSL

220.0, 27.3%, 2.2%

HSV

220.0, 42.9%, 2.7%

CMYK

42.9%, 28.6%, 0.0%, 97.3%

OKLCH

0.1144 0.0069 261.0

Properties

Cool Dark Nearest: black

Color Harmonies

Complementary

#040507

#070604

Analogous

#040707

#050407

#040507

Triadic

#040507

#070405

#050704

Split Complementary

#040507

#070504

#070704

Tetradic

#040507

#070407

#070604

#040705

Color Blindness Simulation

Original

#040507

Protanopia

#040407

Deuteranopia

#040406

Tritanopia

#040606

Achromatopsia

#050505

CSS Usage

background-color: #040507;
color: #040507;
border-color: #040507;
Nearest Tailwind: Zinc 950 #09090B

Tailwind Shades

50
#F6F7F9
100
#E9ECF1
200
#D2D8E5
300
#B1BCD3
400
#8798BA
500
#5D74A2
600
#4A5D82
700
#3B4A68
800
#2E3A51
900
#252C3C
950
#171C26

Contrast Checker

Text on white

20.39:1

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