#818183

#818183

Color Values

HEX

#818183

RGB

129, 129, 131

HSL

240.0, 0.8%, 51.0%

HSV

240.0, 1.5%, 51.4%

CMYK

1.5%, 1.5%, 0.0%, 48.6%

OKLCH

0.6039 0.003 286.3

Properties

Cool Light Nearest: RAL 9023 Pearl Dark Grey

Color Harmonies

Complementary

#818183

#838381

Analogous

#818283

#828183

#818183

Triadic

#818183

#838181

#818381

Split Complementary

#818183

#838281

#828381

Tetradic

#818183

#838182

#838381

#818382

Color Blindness Simulation

Original

#818183

Protanopia

#818183

Deuteranopia

#818182

Tritanopia

#818282

Achromatopsia

#818181

CSS Usage

background-color: #818183;
color: #818183;
border-color: #818183;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F7F7F7
100
#EDEDED
200
#DBDBDC
300
#C1C1C2
400
#A0A0A1
500
#7E7E81
600
#656567
700
#515152
800
#3F3F40
900
#303031
950
#1E1E1F

Contrast Checker

Text on white

3.89:1

AA Fail AAA Fail

Text on black

5.4:1

AA Pass AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026