#51584D

#51584D

Color Values

HEX

#51584D

RGB

81, 88, 77

HSL

98.2, 6.7%, 32.4%

HSV

98.2, 12.5%, 34.5%

CMYK

8.0%, 0.0%, 12.5%, 65.5%

OKLCH

0.4506 0.0197 134.0

Properties

Cool Dark Nearest: RAL 7010 Tarpaulin Grey

Color Harmonies

Complementary

#51584D

#544D58

Analogous

#57584D

#4D584F

#51584D

Triadic

#51584D

#4D5158

#584D51

Split Complementary

#51584D

#4F4D58

#584D57

Tetradic

#51584D

#4D5758

#544D58

#584F4D

Color Blindness Simulation

Original

#51584D

Protanopia

#545450

Deuteranopia

#545350

Tritanopia

#515252

Achromatopsia

#565656

CSS Usage

background-color: #51584D;
color: #51584D;
border-color: #51584D;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F7F8F7
100
#EDEEEC
200
#DBDED9
300
#C1C6BE
400
#9FA79A
500
#7D8877
600
#646D5F
700
#50574C
800
#3F443B
900
#30332E
950
#1E201D

Contrast Checker

Text on white

7.36:1

AA Pass AAA Pass

Text on black

2.85:1

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