#647D7D

#647D7D

Color Values

HEX

#647D7D

RGB

100, 125, 125

HSL

180.0, 11.1%, 44.1%

HSV

180.0, 20.0%, 49.0%

CMYK

20.0%, 0.0%, 0.0%, 51.0%

OKLCH

0.57 0.0289 196.4

Properties

Cool Light Nearest: lightblue 4

Color Harmonies

Complementary

#647D7D

#7D6464

Analogous

#647D70

#64707D

#647D7D

Triadic

#647D7D

#7D647D

#7D7D64

Split Complementary

#647D7D

#7D6470

#7D7064

Tetradic

#647D7D

#70647D

#7D6464

#707D64

Color Blindness Simulation

Original

#647D7D

Protanopia

#6F6F7D

Deuteranopia

#6D6C7D

Tritanopia

#657D7D

Achromatopsia

#787878

CSS Usage

background-color: #647D7D;
color: #647D7D;
border-color: #647D7D;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F7F8F8
100
#EBEFEF
200
#D7DFDF
300
#BBC9C9
400
#96ABAB
500
#718E8E
600
#5B7171
700
#495B5B
800
#394747
900
#2C3535
950
#1C2222

Contrast Checker

Text on white

4.4:1

AA Fail AAA Fail

Text on black

4.77:1

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