#51729D

#51729D

Color Values

HEX

#51729D

RGB

81, 114, 157

HSL

213.9, 31.9%, 46.7%

HSV

213.9, 48.4%, 61.6%

CMYK

48.4%, 27.4%, 0.0%, 38.4%

OKLCH

0.5451 0.0777 255.4

Properties

Cool Dark Nearest: RAL 5023 Distant Blue

Color Harmonies

Complementary

#51729D

#9D7C51

Analogous

#51989D

#56519D

#51729D

Triadic

#51729D

#9D5172

#729D51

Split Complementary

#51729D

#9D5651

#989D51

Tetradic

#51729D

#9D5198

#9D7C51

#519D56

Color Blindness Simulation

Original

#51729D

Protanopia

#5F6093

Deuteranopia

#5D5B90

Tritanopia

#538A89

Achromatopsia

#6E6E6E

CSS Usage

background-color: #51729D;
color: #51729D;
border-color: #51729D;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F7F9
100
#E8EDF2
200
#D0DAE7
300
#AEBFD5
400
#839DBF
500
#577AA8
600
#456287
700
#384E6C
800
#2B3D54
900
#232F3E
950
#161D27

Contrast Checker

Text on white

4.95:1

AA Pass AAA Fail

Text on black

4.24:1

AA Fail 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