#656366

#656366

Color Values

HEX

#656366

RGB

101, 99, 102

HSL

280.0, 1.5%, 39.4%

HSV

280.0, 2.9%, 40.0%

CMYK

1.0%, 2.9%, 0.0%, 60.0%

OKLCH

0.5025 0.0053 314.8

Properties

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

Color Harmonies

Complementary

#656366

#646663

Analogous

#636366

#666365

#656366

Triadic

#656366

#666563

#636665

Split Complementary

#656366

#656663

#636663

Tetradic

#656366

#666363

#646663

#636566

Color Blindness Simulation

Original

#656366

Protanopia

#646465

Deuteranopia

#646465

Tritanopia

#656565

Achromatopsia

#646464

CSS Usage

background-color: #656366;
color: #656366;
border-color: #656366;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F7F7F7
100
#EDEDED
200
#DBDBDC
300
#C2C1C3
400
#A19FA2
500
#807E81
600
#676468
700
#525053
800
#403F41
900
#313031
950
#1F1E1F

Contrast Checker

Text on white

5.95:1

AA Pass AAA Fail

Text on black

3.53:1

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