#818F91

#818F91

Color Values

HEX

#818F91

RGB

129, 143, 145

HSL

187.5, 6.8%, 53.7%

HSV

187.5, 11.0%, 56.9%

CMYK

11.0%, 1.4%, 0.0%, 43.1%

OKLCH

0.6394 0.0165 207.1

Properties

Cool Light Nearest: lightcyan 4

Color Harmonies

Complementary

#818F91

#918381

Analogous

#81918B

#818791

#818F91

Triadic

#818F91

#91818F

#8F9181

Split Complementary

#818F91

#918187

#918B81

Tetradic

#818F91

#8B8191

#918381

#879181

Color Blindness Simulation

Original

#818F91

Protanopia

#878791

Deuteranopia

#868590

Tritanopia

#829090

Achromatopsia

#8C8C8C

CSS Usage

background-color: #818F91;
color: #818F91;
border-color: #818F91;
Nearest Tailwind: Neutral 400 #A3A3A3

Tailwind Shades

50
#F7F8F8
100
#ECEEEE
200
#D9DDDE
300
#BEC5C6
400
#9AA5A7
500
#778688
600
#5F6B6D
700
#4C5657
800
#3B4344
900
#2D3333
950
#1D2020

Contrast Checker

Text on white

3.35:1

AA Fail AAA Fail

Text on black

6.27:1

AA Pass AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026