#64777F

#64777F

Color Values

HEX

#64777F

RGB

100, 119, 127

HSL

197.8, 11.9%, 44.5%

HSV

197.8, 21.3%, 49.8%

CMYK

21.3%, 6.3%, 0.0%, 50.2%

OKLCH

0.5567 0.0257 225.2

Properties

Cool Dark Nearest: lightblue 4

Color Harmonies

Complementary

#64777F

#7F6C64

Analogous

#647F79

#64697F

#64777F

Triadic

#64777F

#7F6477

#777F64

Split Complementary

#64777F

#7F6469

#7F7964

Tetradic

#64777F

#79647F

#7F6C64

#697F64

Color Blindness Simulation

Original

#64777F

Protanopia

#6C6C7D

Deuteranopia

#6B6A7D

Tritanopia

#657C7B

Achromatopsia

#747474

CSS Usage

background-color: #64777F;
color: #64777F;
border-color: #64777F;
Nearest Tailwind: Gray 500 #6B7280

Tailwind Shades

50
#F7F8F8
100
#EBEEEF
200
#D7DDE0
300
#BBC5C9
400
#95A5AC
500
#70868F
600
#5A6B72
700
#48565B
800
#384347
900
#2B3336
950
#1B2022

Contrast Checker

Text on white

4.68:1

AA Pass AAA Fail

Text on black

4.49:1

AA Fail 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