#636367

#636367

Color Values

HEX

#636367

RGB

99, 99, 103

HSL

240.0, 2.0%, 39.6%

HSV

240.0, 3.9%, 40.4%

CMYK

3.9%, 3.9%, 0.0%, 59.6%

OKLCH

0.501 0.0063 286.2

Properties

Cool Dark Nearest: NCS S 6000-N Medium Dark Grey

Color Harmonies

Complementary

#636367

#676763

Analogous

#636567

#656367

#636367

Triadic

#636367

#676363

#636763

Split Complementary

#636367

#676563

#656763

Tetradic

#636367

#676365

#676763

#636765

Color Blindness Simulation

Original

#636367

Protanopia

#636366

Deuteranopia

#636366

Tritanopia

#636565

Achromatopsia

#636363

CSS Usage

background-color: #636367;
color: #636367;
border-color: #636367;
Nearest Tailwind: Zinc 500 #71717A

Tailwind Shades

50
#F7F7F7
100
#EDEDED
200
#DBDBDC
300
#C1C1C3
400
#9F9FA3
500
#7D7D82
600
#646468
700
#505053
800
#3E3E41
900
#303031
950
#1E1E1F

Contrast Checker

Text on white

5.98:1

AA Pass AAA Fail

Text on black

3.51:1

AA Fail AAA Fail

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