#288DF1

#288DF1

Color Values

HEX

#288DF1

RGB

40, 141, 241

HSL

209,9, 87,8%, 55,1%

HSV

209,9, 83,4%, 94,5%

CMYK

83,4%, 41,5%, 0,0%, 5,5%

OKLCH

0,6383 0,1743 252,6

Properties

Cool Light Nearest: dodgerblue 2

Color Harmonies

Complementary

#288DF1

#F18C28

Analogous

#28F1F1

#2828F1

#288DF1

Triadic

#288DF1

#F1288D

#8DF128

Split Complementary

#288DF1

#F12828

#F1F128

Tetradic

#288DF1

#F128F1

#F18C28

#28F128

Color Blindness Simulation

Original

#288DF1

Protanopia

#5455D9

Deuteranopia

#4E46D3

Tritanopia

#2DC6C2

Achromatopsia

#7F7F7F

CSS Usage

background-color: #288DF1;
color: #288DF1;
border-color: #288DF1;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F2F7FD
100
#E0EDFA
200
#BCDBFB
300
#8CC2F8
400
#4EA1F3
500
#1080EF
600
#0C66C0
700
#0A5299
800
#084078
900
#0A3157
950
#061F37

Contrast Checker

Text on white

3,4:1

AA Fail AAA Fail

Text on black

6,17:1

AA Pass AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Fev 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026