#288CF1

#288CF1

Color Values

HEX

#288CF1

RGB

40, 140, 241

HSL

210.1, 87.8%, 55.1%

HSV

210.1, 83.4%, 94.5%

CMYK

83.4%, 41.9%, 0.0%, 5.5%

OKLCH

0.6361 0.1754 252.9

Properties

Cool Light Nearest: dodgerblue 2

Color Harmonies

Complementary

#288CF1

#F18D28

Analogous

#28F1F1

#2828F1

#288CF1

Triadic

#288CF1

#F1288C

#8CF128

Split Complementary

#288CF1

#F12828

#F1F128

Tetradic

#288CF1

#F128F1

#F18D28

#28F128

Color Blindness Simulation

Original

#288CF1

Protanopia

#5354D9

Deuteranopia

#4E46D3

Tritanopia

#2DC5C1

Achromatopsia

#7E7E7E

CSS Usage

background-color: #288CF1;
color: #288CF1;
border-color: #288CF1;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F2F7FD
100
#E0EDFA
200
#BCDBFB
300
#8CC2F8
400
#4EA0F3
500
#107FEF
600
#0C66C0
700
#0A5199
800
#084078
900
#0A3057
950
#061F37

Contrast Checker

Text on white

3.44:1

AA Fail AAA Fail

Text on black

6.11:1

AA Pass AAA Fail

Related Articles

Brand Stories

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

Feb 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