#5599CB

#5599CB

Color Values

HEX

#5599CB

RGB

85, 153, 203

HSL

205.4, 53.2%, 56.5%

HSV

205.4, 58.1%, 79.6%

CMYK

58.1%, 24.6%, 0.0%, 20.4%

OKLCH

0.6588 0.1019 242.3

Properties

Cool Light Nearest: steelblue 3

Color Harmonies

Complementary

#5599CB

#CB8755

Analogous

#55CBC2

#555ECB

#5599CB

Triadic

#5599CB

#CB5599

#99CB55

Split Complementary

#5599CB

#CB555E

#CBC255

Tetradic

#5599CB

#C255CB

#CB8755

#5ECB55

Color Blindness Simulation

Original

#5599CB

Protanopia

#7273BF

Deuteranopia

#6E69BC

Tritanopia

#58B5B3

Achromatopsia

#8E8E8E

CSS Usage

background-color: #5599CB;
color: #5599CB;
border-color: #5599CB;
Nearest Tailwind: Sky 500 #0EA5E9

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C8DEEE
300
#A1C7E2
400
#6EA8D3
500
#3C8AC3
600
#306E9C
700
#26587D
800
#1E4562
900
#193448
950
#10212D

Contrast Checker

Text on white

3.09:1

AA Fail AAA Fail

Text on black

6.81:1

AA Pass AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026