#64737D

#64737D

Color Values

HEX

#64737D

RGB

100, 115, 125

HSL

204.0, 11.1%, 44.1%

HSV

204.0, 20.0%, 49.0%

CMYK

20.0%, 8.0%, 0.0%, 51.0%

OKLCH

0.5466 0.0238 237.1

Properties

Cool Dark Nearest: lightsteelblue 4

Color Harmonies

Complementary

#64737D

#7D6E64

Analogous

#647D7A

#64667D

#64737D

Triadic

#64737D

#7D6473

#737D64

Split Complementary

#64737D

#7D6466

#7D7A64

Tetradic

#64737D

#7A647D

#7D6E64

#667D64

Color Blindness Simulation

Original

#64737D

Protanopia

#6A6B7B

Deuteranopia

#6A687A

Tritanopia

#657978

Achromatopsia

#717171

CSS Usage

background-color: #64737D;
color: #64737D;
border-color: #64737D;
Nearest Tailwind: Gray 500 #6B7280

Tailwind Shades

50
#F7F7F8
100
#EBEDEF
200
#D7DCDF
300
#BBC3C9
400
#96A3AB
500
#71828E
600
#5B6871
700
#49535B
800
#394147
900
#2C3135
950
#1C1F22

Contrast Checker

Text on white

4.89:1

AA Pass AAA Fail

Text on black

4.29:1

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