#557B97

#557B97

Color Values

HEX

#557B97

RGB

85, 123, 151

HSL

205.5, 28.0%, 46.3%

HSV

205.5, 43.7%, 59.2%

CMYK

43.7%, 18.5%, 0.0%, 40.8%

OKLCH

0.5656 0.061 241.1

Properties

Cool Light Nearest: skyblue 4

Color Harmonies

Complementary

#557B97

#977155

Analogous

#559792

#555A97

#557B97

Triadic

#557B97

#97557B

#7B9755

Split Complementary

#557B97

#97555A

#979255

Tetradic

#557B97

#925597

#977155

#5A9755

Color Blindness Simulation

Original

#557B97

Protanopia

#656690

Deuteranopia

#63608F

Tritanopia

#578B8A

Achromatopsia

#757575

CSS Usage

background-color: #557B97;
color: #557B97;
border-color: #557B97;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D1DDE5
300
#B1C4D3
400
#86A5BB
500
#5C85A3
600
#496A83
700
#3B5568
800
#2E4252
900
#24323D
950
#172026

Contrast Checker

Text on white

4.5:1

AA Pass AAA Fail

Text on black

4.67:1

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