#57656F

#57656F

Color Values

HEX

#57656F

RGB

87, 101, 111

HSL

205.0, 12.1%, 38.8%

HSV

205.0, 21.6%, 43.5%

CMYK

21.6%, 9.0%, 0.0%, 56.5%

OKLCH

0.4986 0.0234 239.1

Properties

Cool Dark Nearest: RAL 4012 Pearl Blackberry

Color Harmonies

Complementary

#57656F

#6F6157

Analogous

#576F6D

#57596F

#57656F

Triadic

#57656F

#6F5765

#656F57

Split Complementary

#57656F

#6F5759

#6F6D57

Tetradic

#57656F

#6D576F

#6F6157

#596F57

Color Blindness Simulation

Original

#57656F

Protanopia

#5D5D6D

Deuteranopia

#5C5B6C

Tritanopia

#586B6A

Achromatopsia

#636363

CSS Usage

background-color: #57656F;
color: #57656F;
border-color: #57656F;
Nearest Tailwind: Gray 500 #6B7280

Tailwind Shades

50
#F7F7F8
100
#EBEDEF
200
#D7DCE0
300
#BAC3C9
400
#95A3AC
500
#70828F
600
#5A6872
700
#48535B
800
#384147
900
#2B3136
950
#1B1F22

Contrast Checker

Text on white

6.01:1

AA Pass AAA Fail

Text on black

3.5:1

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