#288FEF

#288FEF

Color Values

HEX

#288FEF

RGB

40, 143, 239

HSL

208,9, 86,1%, 54,7%

HSV

208,9, 83,3%, 93,7%

CMYK

83,3%, 40,2%, 0,0%, 6,3%

OKLCH

0,6415 0,1698 251,4

Properties

Cool Light Nearest: dodgerblue 2

Color Harmonies

Complementary

#288FEF

#EF8828

Analogous

#28EFEB

#282CEF

#288FEF

Triadic

#288FEF

#EF288F

#8FEF28

Split Complementary

#288FEF

#EF282C

#EFEB28

Tetradic

#288FEF

#EB28EF

#EF8828

#2CEF28

Color Blindness Simulation

Original

#288FEF

Protanopia

#5555D8

Deuteranopia

#4F47D2

Tritanopia

#2DC5C1

Achromatopsia

#808080

CSS Usage

background-color: #288FEF;
color: #288FEF;
border-color: #288FEF;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F2F8FD
100
#E0EEFA
200
#BDDCFA
300
#8DC4F6
400
#4FA4F2
500
#1284ED
600
#0E69BE
700
#0B5498
800
#094277
900
#0B3256
950
#071F36

Contrast Checker

Text on white

3,35:1

AA Fail AAA Fail

Text on black

6,27:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Фев 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Фев 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Фев 19, 2026