#212829

#212829

Color Values

HEX

#212829

RGB

33, 40, 41

HSL

187.5, 10.8%, 14.5%

HSV

187.5, 19.5%, 16.1%

CMYK

19.5%, 2.4%, 0.0%, 83.9%

OKLCH

0.2704 0.0101 207.1

Properties

Cool Dark Nearest: RAL 7021 Black Grey

Color Harmonies

Complementary

#212829

#292221

Analogous

#212926

#212429

#212829

Triadic

#212829

#292128

#282921

Split Complementary

#212829

#292124

#292621

Tetradic

#212829

#262129

#292221

#242921

Color Blindness Simulation

Original

#212829

Protanopia

#242429

Deuteranopia

#242329

Tritanopia

#212929

Achromatopsia

#272727

CSS Usage

background-color: #212829;
color: #212829;
border-color: #212829;
Nearest Tailwind: Neutral 800 #262626

Tailwind Shades

50
#F7F8F8
100
#ECEEEF
200
#D7DEDF
300
#BBC7C8
400
#96A8AB
500
#728A8D
600
#5B6E71
700
#49585A
800
#394547
900
#2C3435
950
#1C2122

Contrast Checker

Text on white

15.0:1

AA Pass AAA Pass

Text on black

1.4:1

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