#577D81

#577D81

Color Values

HEX

#577D81

RGB

87, 125, 129

HSL

185.7, 19.4%, 42.4%

HSV

185.7, 32.6%, 50.6%

CMYK

32.6%, 3.1%, 0.0%, 49.4%

OKLCH

0.5629 0.043 204.2

Properties

Cool Light Nearest: cadetblue 4

Color Harmonies

Complementary

#577D81

#815B57

Analogous

#578170

#576881

#577D81

Triadic

#577D81

#81577D

#7D8157

Split Complementary

#577D81

#815768

#817057

Tetradic

#577D81

#705781

#815B57

#688157

Color Blindness Simulation

Original

#577D81

Protanopia

#676880

Deuteranopia

#656280

Tritanopia

#597F7F

Achromatopsia

#757575

CSS Usage

background-color: #577D81;
color: #577D81;
border-color: #577D81;
Nearest Tailwind: Gray 500 #6B7280

Tailwind Shades

50
#F6F8F9
100
#EAF0F0
200
#D4E1E2
300
#B6CBCE
400
#8EAFB3
500
#679498
600
#52767A
700
#425E61
800
#334A4C
900
#283739
950
#192324

Contrast Checker

Text on white

4.51:1

AA Pass AAA Fail

Text on black

4.66:1

AA Pass 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