#212928

#212928

Color Values

HEX

#212928

RGB

33, 41, 40

HSL

172.5, 10.8%, 14.5%

HSV

172.5, 19.5%, 16.1%

CMYK

19.5%, 0.0%, 2.4%, 83.9%

OKLCH

0.2728 0.0114 187.3

Properties

Cool Dark Nearest: RAL 7021 Black Grey

Color Harmonies

Complementary

#212928

#292122

Analogous

#212924

#212629

#212928

Triadic

#212928

#282129

#292821

Split Complementary

#212928

#292126

#292421

Tetradic

#212928

#242129

#292122

#262921

Color Blindness Simulation

Original

#212928

Protanopia

#242528

Deuteranopia

#242328

Tritanopia

#212828

Achromatopsia

#272727

CSS Usage

background-color: #212928;
color: #212928;
border-color: #212928;
Nearest Tailwind: Neutral 800 #262626

Tailwind Shades

50
#F7F8F8
100
#ECEFEE
200
#D7DFDE
300
#BBC8C7
400
#96ABA8
500
#728D8A
600
#5B716E
700
#495A58
800
#394745
900
#2C3534
950
#1C2221

Contrast Checker

Text on white

14.87:1

AA Pass AAA Pass

Text on black

1.41:1

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