#577271

#577271

Color Values

HEX

#577271

RGB

87, 114, 113

HSL

177.8, 13.4%, 39.4%

HSV

177.8, 23.7%, 44.7%

CMYK

23.7%, 0.0%, 0.9%, 55.3%

OKLCH

0.5305 0.0315 193.4

Properties

Cool Dark Nearest: RAL 7005 Mouse Grey

Color Harmonies

Complementary

#577271

#725758

Analogous

#577263

#576572

#577271

Triadic

#577271

#715772

#727157

Split Complementary

#577271

#725765

#726357

Tetradic

#577271

#635772

#725758

#657257

Color Blindness Simulation

Original

#577271

Protanopia

#636371

Deuteranopia

#615F71

Tritanopia

#587171

Achromatopsia

#6C6C6C

CSS Usage

background-color: #577271;
color: #577271;
border-color: #577271;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F6F8F8
100
#EBEFEF
200
#D7E0E0
300
#BACAC9
400
#94ADAC
500
#6E918F
600
#587473
700
#475D5C
800
#374848
900
#2B3636
950
#1B2222

Contrast Checker

Text on white

5.18:1

AA Pass AAA Fail

Text on black

4.05:1

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