#55728F

#55728F

Color Values

HEX

#55728F

RGB

85, 114, 143

HSL

210.0, 25.4%, 44.7%

HSV

210.0, 40.6%, 56.1%

CMYK

40.6%, 20.3%, 0.0%, 43.9%

OKLCH

0.541 0.0568 248.9

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#55728F

#8F7255

Analogous

#558F8F

#55558F

#55728F

Triadic

#55728F

#8F5572

#728F55

Split Complementary

#55728F

#8F5555

#8F8F55

Tetradic

#55728F

#8F558F

#8F7255

#558F55

Color Blindness Simulation

Original

#55728F

Protanopia

#626288

Deuteranopia

#605E86

Tritanopia

#568281

Achromatopsia

#6E6E6E

CSS Usage

background-color: #55728F;
color: #55728F;
border-color: #55728F;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DBE4
300
#B2C2D1
400
#89A1B9
500
#5F80A0
600
#4C6680
700
#3D5266
800
#304050
900
#25303C
950
#181F26

Contrast Checker

Text on white

5.01:1

AA Pass AAA Fail

Text on black

4.19:1

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