#51645F

#51645F

Color Values

HEX

#51645F

RGB

81, 100, 95

HSL

164.2, 10.5%, 35.5%

HSV

164.2, 19.0%, 39.2%

CMYK

19.0%, 0.0%, 5.0%, 60.8%

OKLCH

0.4859 0.0244 177.5

Properties

Cool Dark Nearest: RAL 7012 Basalt Grey

Color Harmonies

Complementary

#51645F

#645156

Analogous

#516456

#516064

#51645F

Triadic

#51645F

#5F5164

#645F51

Split Complementary

#51645F

#645160

#645651

Tetradic

#51645F

#565164

#645156

#606451

Color Blindness Simulation

Original

#51645F

Protanopia

#595960

Deuteranopia

#585760

Tritanopia

#526161

Achromatopsia

#606060

CSS Usage

background-color: #51645F;
color: #51645F;
border-color: #51645F;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F8F8
100
#ECEFEE
200
#D8DFDD
300
#BBC8C5
400
#97ABA5
500
#728D86
600
#5B716B
700
#495A56
800
#394643
900
#2C3533
950
#1C2120

Contrast Checker

Text on white

6.29:1

AA Pass AAA Fail

Text on black

3.34:1

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