#8399AB

#8399AB

Color Values

HEX

#8399AB

RGB

131, 153, 171

HSL

207.0, 19.2%, 59.2%

HSV

207.0, 23.4%, 67.1%

CMYK

23.4%, 10.5%, 0.0%, 32.9%

OKLCH

0.672 0.0366 242.9

Properties

Cool Light Nearest: lightslategrey

Color Harmonies

Complementary

#8399AB

#AB9583

Analogous

#83ABA9

#8385AB

#8399AB

Triadic

#8399AB

#AB8399

#99AB83

Split Complementary

#8399AB

#AB8385

#ABA983

Tetradic

#8399AB

#A983AB

#AB9583

#85AB83

Color Blindness Simulation

Original

#8399AB

Protanopia

#8D8DA7

Deuteranopia

#8B8AA6

Tritanopia

#84A3A2

Achromatopsia

#969696

CSS Usage

background-color: #8399AB;
color: #8399AB;
border-color: #8399AB;
Nearest Tailwind: Slate 400 #94A3B8

Tailwind Shades

50
#F6F7F9
100
#EAEDF0
200
#D4DCE2
300
#B6C3CE
400
#8FA2B3
500
#678298
600
#52687A
700
#425361
800
#34414C
900
#283139
950
#191F24

Contrast Checker

Text on white

2.95:1

AA Fail AAA Fail

Text on black

7.11:1

AA Pass AAA Pass

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