#040212

#040212

Color Values

HEX

#040212

RGB

4, 2, 18

HSL

247.5, 80.0%, 3.9%

HSV

247.5, 88.9%, 7.1%

CMYK

77.8%, 88.9%, 0.0%, 92.9%

OKLCH

0.1084 0.0425 286.5

Properties

Cool Dark Nearest: black

Color Harmonies

Complementary

#040212

#101202

Analogous

#020812

#0C0212

#040212

Triadic

#040212

#120402

#021204

Split Complementary

#040212

#120C02

#081202

Tetradic

#040212

#120208

#101202

#02120C

Color Blindness Simulation

Original

#040212

Protanopia

#03030E

Deuteranopia

#03030D

Tritanopia

#040B0A

Achromatopsia

#040404

CSS Usage

background-color: #040212;
color: #040212;
border-color: #040212;
Nearest Tailwind: Slate 950 #020617

Tailwind Shades

50
#F3F2FD
100
#E4E1F9
200
#C6BFF8
300
#9D91F3
400
#6855EC
500
#3319E6
600
#2914B8
700
#211093
800
#190D73
900
#160E53
950
#0E0935

Contrast Checker

Text on white

20.54:1

AA Pass AAA Pass

Text on black

1.02:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

ก.พ. 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

ก.พ. 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

ก.พ. 19, 2026