#4288D5

#4288D5

Color Values

HEX

#4288D5

RGB

66, 136, 213

HSL

211.4, 63.6%, 54.7%

HSV

211.4, 69.0%, 83.5%

CMYK

69.0%, 36.2%, 0.0%, 16.5%

OKLCH

0.6178 0.1368 252.8

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#4288D5

#D58F42

Analogous

#42D2D5

#4542D5

#4288D5

Triadic

#4288D5

#D54288

#88D542

Split Complementary

#4288D5

#D54542

#D2D542

Tetradic

#4288D5

#D542D2

#D58F42

#42D545

Color Blindness Simulation

Original

#4288D5

Protanopia

#6061C2

Deuteranopia

#5C57BE

Tritanopia

#46B4B0

Achromatopsia

#7F7F7F

CSS Usage

background-color: #4288D5;
color: #4288D5;
border-color: #4288D5;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FB
100
#E4EDF7
200
#C5DAF2
300
#9BC0E9
400
#659EDD
500
#2E7CD1
600
#2563A7
700
#1E4F85
800
#173E68
900
#152F4C
950
#0D1E30

Contrast Checker

Text on white

3.68:1

AA Fail AAA Fail

Text on black

5.71:1

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