#647D6F

#647D6F

Color Values

HEX

#647D6F

RGB

100, 125, 111

HSL

146.4, 11.1%, 44.1%

HSV

146.4, 20.0%, 49.0%

CMYK

20.0%, 0.0%, 11.2%, 51.0%

OKLCH

0.5656 0.0361 160.5

Properties

Cool Light Nearest: RAL 7033 Cement Grey

Color Harmonies

Complementary

#647D6F

#7D6472

Analogous

#657D64

#647D7B

#647D6F

Triadic

#647D6F

#6F647D

#7D6F64

Split Complementary

#647D6F

#7B647D

#7D6465

Tetradic

#647D6F

#64657D

#7D6472

#7D7B64

Color Blindness Simulation

Original

#647D6F

Protanopia

#6F6F72

Deuteranopia

#6D6C73

Tritanopia

#657576

Achromatopsia

#777777

CSS Usage

background-color: #647D6F;
color: #647D6F;
border-color: #647D6F;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F7F8F7
100
#EBEFED
200
#D7DFDB
300
#BBC9C1
400
#96AB9F
500
#718E7E
600
#5B7165
700
#495B51
800
#39473F
900
#2C3530
950
#1C221E

Contrast Checker

Text on white

4.46:1

AA Fail AAA Fail

Text on black

4.7:1

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