#5181B2

#5181B2

Color Values

HEX

#5181B2

RGB

81, 129, 178

HSL

210.3, 38.6%, 50.8%

HSV

210.3, 54.5%, 69.8%

CMYK

54.5%, 27.5%, 0.0%, 30.2%

OKLCH

0.5899 0.092 250.1

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#5181B2

#B28251

Analogous

#51B1B2

#5251B2

#5181B2

Triadic

#5181B2

#B25181

#81B251

Split Complementary

#5181B2

#B25251

#B1B251

Tetradic

#5181B2

#B251B1

#B28251

#51B252

Color Blindness Simulation

Original

#5181B2

Protanopia

#6666A6

Deuteranopia

#635FA3

Tritanopia

#539D9B

Achromatopsia

#7A7A7A

CSS Usage

background-color: #5181B2;
color: #5181B2;
border-color: #5181B2;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CEDBE9
300
#AAC2D9
400
#7CA0C5
500
#4E7FB1
600
#3F668D
700
#325171
800
#274058
900
#203041
950
#141E29

Contrast Checker

Text on white

4.09:1

AA Fail AAA Fail

Text on black

5.13:1

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