#515755

#515755

Color Values

HEX

#515755

RGB

81, 87, 85

HSL

160.0, 3.6%, 32.9%

HSV

160.0, 6.9%, 34.1%

CMYK

6.9%, 0.0%, 2.3%, 65.9%

OKLCH

0.4507 0.0083 174.0

Properties

Cool Dark Nearest: RAL 7043 Traffic Grey B

Color Harmonies

Complementary

#515755

#575153

Analogous

#515752

#515657

#515755

Triadic

#515755

#555157

#575551

Split Complementary

#515755

#575156

#575251

Tetradic

#515755

#525157

#575153

#565751

Color Blindness Simulation

Original

#515755

Protanopia

#545455

Deuteranopia

#535356

Tritanopia

#515656

Achromatopsia

#565656

CSS Usage

background-color: #515755;
color: #515755;
border-color: #515755;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F8F7
100
#EDEEED
200
#DADDDC
300
#C0C4C3
400
#9DA4A2
500
#7B8481
600
#626A67
700
#4F5553
800
#3D4241
900
#2F3231
950
#1E201F

Contrast Checker

Text on white

7.38:1

AA Pass AAA Pass

Text on black

2.84:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026