#28232A

#28232A

Color Values

HEX

#28232A

RGB

40, 35, 42

HSL

282.9, 9.1%, 15.1%

HSV

282.9, 16.7%, 16.5%

CMYK

4.8%, 16.7%, 0.0%, 83.5%

OKLCH

0.2646 0.0147 316.4

Properties

Cool Dark Nearest: RAL 5008 Grey Blue

Color Harmonies

Complementary

#28232A

#252A23

Analogous

#25232A

#2A2329

#28232A

Triadic

#28232A

#2A2823

#232A28

Split Complementary

#28232A

#292A23

#232A25

Tetradic

#28232A

#2A2523

#252A23

#23292A

Color Blindness Simulation

Original

#28232A

Protanopia

#262628

Deuteranopia

#262628

Tritanopia

#282727

Achromatopsia

#252525

CSS Usage

background-color: #28232A;
color: #28232A;
border-color: #28232A;
Nearest Tailwind: Zinc 800 #27272A

Tailwind Shades

50
#F8F7F8
100
#EEECEF
200
#DDD8DF
300
#C4BCC7
400
#A498A9
500
#84748B
600
#6A5D6F
700
#554A59
800
#423A46
900
#322C34
950
#201C21

Contrast Checker

Text on white

15.4:1

AA Pass AAA Pass

Text on black

1.36:1

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