#3771BA

#3771BA

Color Values

HEX

#3771BA

RGB

55, 113, 186

HSL

213.4, 54.4%, 47.3%

HSV

213.4, 70.4%, 72.9%

CMYK

70.4%, 39.2%, 0.0%, 27.1%

OKLCH

0.546 0.1296 255.4

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#3771BA

#BA8037

Analogous

#37B3BA

#3E37BA

#3771BA

Triadic

#3771BA

#BA3771

#71BA37

Split Complementary

#3771BA

#BA3E37

#B3BA37

Tetradic

#3771BA

#BA37B3

#BA8037

#37BA3E

Color Blindness Simulation

Original

#3771BA

Protanopia

#5051A8

Deuteranopia

#4D48A4

Tritanopia

#3A9A97

Achromatopsia

#6A6A6A

CSS Usage

background-color: #3771BA;
color: #3771BA;
border-color: #3771BA;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5ECF5
200
#C8D9EF
300
#A1BEE3
400
#6D9BD4
500
#3A78C5
600
#2F609D
700
#254D7E
800
#1D3C62
900
#192E48
950
#101D2E

Contrast Checker

Text on white

4.96:1

AA Pass AAA Fail

Text on black

4.23:1

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