#818AAB

#818AAB

Color Values

HEX

#818AAB

RGB

129, 138, 171

HSL

227.1, 20.0%, 58.8%

HSV

227.1, 24.6%, 67.1%

CMYK

24.6%, 19.3%, 0.0%, 32.9%

OKLCH

0.6379 0.0507 273.0

Properties

Cool Light Nearest: lightslategrey

Color Harmonies

Complementary

#818AAB

#ABA281

Analogous

#819FAB

#8D81AB

#818AAB

Triadic

#818AAB

#AB818A

#8AAB81

Split Complementary

#818AAB

#AB8D81

#9FAB81

Tetradic

#818AAB

#AB819F

#ABA281

#81AB8D

Color Blindness Simulation

Original

#818AAB

Protanopia

#8585A3

Deuteranopia

#8484A1

Tritanopia

#819D9B

Achromatopsia

#8A8A8A

CSS Usage

background-color: #818AAB;
color: #818AAB;
border-color: #818AAB;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEBF0
200
#D4D7E2
300
#B6BBCE
400
#8E96B4
500
#667199
600
#525A7A
700
#414862
800
#33384D
900
#282B39
950
#191B24

Contrast Checker

Text on white

3.41:1

AA Fail AAA Fail

Text on black

6.16:1

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