#4290DF

#4290DF

Color Values

HEX

#4290DF

RGB

66, 144, 223

HSL

210,2, 71,0%, 56,7%

HSV

210,2, 70,4%, 87,5%

CMYK

70,4%, 35,4%, 0,0%, 12,5%

OKLCH

0,6413 0,1415 251,2

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#4290DF

#DF9142

Analogous

#42DEDF

#4342DF

#4290DF

Triadic

#4290DF

#DF4290

#90DF42

Split Complementary

#4290DF

#DF4342

#DEDF42

Tetradic

#4290DF

#DF42DE

#DF9142

#42DF43

Color Blindness Simulation

Original

#4290DF

Protanopia

#6464CC

Deuteranopia

#5F59C7

Tritanopia

#46BDB9

Achromatopsia

#858585

CSS Usage

background-color: #4290DF;
color: #4290DF;
border-color: #4290DF;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F3F7FC
100
#E2EDF8
200
#C2DBF5
300
#96C2ED
400
#5EA0E4
500
#257FDA
600
#1E66AE
700
#18518C
800
#123F6D
900
#11304F
950
#0B1E32

Contrast Checker

Text on white

3,34:1

AA Fail AAA Fail

Text on black

6,29:1

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