#577B7C

#577B7C

Color Values

HEX

#577B7C

RGB

87, 123, 124

HSL

181.6, 17.5%, 41.4%

HSV

181.6, 29.8%, 48.6%

CMYK

29.8%, 0.8%, 0.0%, 51.4%

OKLCH

0.5562 0.0406 198.2

Properties

Cool Dark Nearest: cadetblue 4

Color Harmonies

Complementary

#577B7C

#7C5857

Analogous

#577C6B

#57697C

#577B7C

Triadic

#577B7C

#7C577B

#7B7C57

Split Complementary

#577B7C

#7C5769

#7C6B57

Tetradic

#577B7C

#6B577C

#7C5857

#697C57

Color Blindness Simulation

Original

#577B7C

Protanopia

#67677C

Deuteranopia

#64627C

Tritanopia

#597C7C

Achromatopsia

#737373

CSS Usage

background-color: #577B7C;
color: #577B7C;
border-color: #577B7C;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F6F8F8
100
#EAF0F0
200
#D5E1E2
300
#B7CCCD
400
#90B0B1
500
#699596
600
#547778
700
#435F60
800
#354A4B
900
#293838
950
#1A2323

Contrast Checker

Text on white

4.64:1

AA Pass AAA Fail

Text on black

4.53:1

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