#858BA3

#858BA3

Color Values

HEX

#858BA3

RGB

133, 139, 163

HSL

228.0, 14.0%, 58.0%

HSV

228.0, 18.4%, 63.9%

CMYK

18.4%, 14.7%, 0.0%, 36.1%

OKLCH

0.6401 0.0366 274.3

Properties

Cool Light Nearest: lightslategrey

Color Harmonies

Complementary

#858BA3

#A39D85

Analogous

#859AA3

#8E85A3

#858BA3

Triadic

#858BA3

#A3858B

#8BA385

Split Complementary

#858BA3

#A38E85

#9AA385

Tetradic

#858BA3

#A3859A

#A39D85

#85A38E

Color Blindness Simulation

Original

#858BA3

Protanopia

#88889D

Deuteranopia

#87879C

Tritanopia

#859998

Achromatopsia

#8B8B8B

CSS Usage

background-color: #858BA3;
color: #858BA3;
border-color: #858BA3;
Nearest Tailwind: Slate 400 #94A3B8

Tailwind Shades

50
#F6F7F8
100
#EBECEF
200
#D6D8E0
300
#B9BDCA
400
#9399AE
500
#6E7591
600
#585D74
700
#464B5D
800
#373A49
900
#2A2D37
950
#1B1C22

Contrast Checker

Text on white

3.38:1

AA Fail AAA Fail

Text on black

6.22:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026