#5590CF

#5590CF

Color Values

HEX

#5590CF

RGB

85, 144, 207

HSL

211.0, 56.0%, 57.3%

HSV

211.0, 58.9%, 81.2%

CMYK

58.9%, 30.4%, 0.0%, 18.8%

OKLCH

0.6405 0.1136 251.4

Properties

Cool Light Nearest: steelblue 3

Color Harmonies

Complementary

#5590CF

#CF9455

Analogous

#55CDCF

#5755CF

#5590CF

Triadic

#5590CF

#CF5590

#90CF55

Split Complementary

#5590CF

#CF5755

#CDCF55

Tetradic

#5590CF

#CF55CD

#CF9455

#55CF57

Color Blindness Simulation

Original

#5590CF

Protanopia

#6F6FC0

Deuteranopia

#6B67BC

Tritanopia

#58B4B1

Achromatopsia

#888888

CSS Usage

background-color: #5590CF;
color: #5590CF;
border-color: #5590CF;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5EDF6
200
#C7DBEF
300
#A0C1E4
400
#6C9FD5
500
#387DC7
600
#2D649F
700
#24507F
800
#1C3F63
900
#183049
950
#0F1E2E

Contrast Checker

Text on white

3.35:1

AA Fail AAA Fail

Text on black

6.28:1

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