#515459

#515459

Color Values

HEX

#515459

RGB

81, 84, 89

HSL

217.5, 4.7%, 33.3%

HSV

217.5, 9.0%, 34.9%

CMYK

9.0%, 5.6%, 0.0%, 65.1%

OKLCH

0.4449 0.009 260.7

Properties

Cool Dark Nearest: NCS S 7000-N Dark Grey

Color Harmonies

Complementary

#515459

#595651

Analogous

#515859

#525159

#515459

Triadic

#515459

#595154

#545951

Split Complementary

#515459

#595251

#585951

Tetradic

#515459

#595158

#595651

#515952

Color Blindness Simulation

Original

#515459

Protanopia

#525258

Deuteranopia

#525258

Tritanopia

#515757

Achromatopsia

#545454

CSS Usage

background-color: #515459;
color: #515459;
border-color: #515459;
Nearest Tailwind: Zinc 600 #52525B

Tailwind Shades

50
#F7F7F8
100
#ECEDEE
200
#DADBDD
300
#BFC1C5
400
#9CA0A5
500
#7A7E85
600
#61656B
700
#4E5155
800
#3D3F43
900
#2E3032
950
#1D1E20

Contrast Checker

Text on white

7.6:1

AA Pass AAA Pass

Text on black

2.76:1

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