#647979

#647979

Color Values

HEX

#647979

RGB

100, 121, 121

HSL

180.0, 9.5%, 43.3%

HSV

180.0, 17.4%, 47.5%

CMYK

17.4%, 0.0%, 0.0%, 52.5%

OKLCH

0.5593 0.0246 196.5

Properties

Cool Dark Nearest: lightblue 4

Color Harmonies

Complementary

#647979

#796464

Analogous

#64796E

#646E79

#647979

Triadic

#647979

#796479

#797964

Split Complementary

#647979

#79646E

#796E64

Tetradic

#647979

#6E6479

#796464

#6E7964

Color Blindness Simulation

Original

#647979

Protanopia

#6D6D79

Deuteranopia

#6C6A79

Tritanopia

#657979

Achromatopsia

#757575

CSS Usage

background-color: #647979;
color: #647979;
border-color: #647979;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F7F8F8
100
#ECEFEF
200
#D8DFDF
300
#BCC8C8
400
#98AAAA
500
#738C8C
600
#5C7070
700
#4A5959
800
#3A4646
900
#2C3535
950
#1C2121

Contrast Checker

Text on white

4.61:1

AA Pass AAA Fail

Text on black

4.55:1

AA Pass AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026