#3664AB

#3664AB

Color Values

HEX

#3664AB

RGB

54, 100, 171

HSL

216.4, 52.0%, 44.1%

HSV

216.4, 68.4%, 67.1%

CMYK

68.4%, 41.5%, 0.0%, 32.9%

OKLCH

0.5068 0.1241 258.8

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#3664AB

#AB7D36

Analogous

#369EAB

#4236AB

#3664AB

Triadic

#3664AB

#AB3664

#64AB36

Split Complementary

#3664AB

#AB4236

#9EAB36

Tetradic

#3664AB

#AB369E

#AB7D36

#36AB42

Color Blindness Simulation

Original

#3664AB

Protanopia

#4A4A9A

Deuteranopia

#474496

Tritanopia

#388C89

Achromatopsia

#5F5F5F

CSS Usage

background-color: #3664AB;
color: #3664AB;
border-color: #3664AB;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E5EBF5
200
#C9D7EE
300
#A2BBE2
400
#7096D2
500
#3D71C2
600
#315B9B
700
#27497C
800
#1F3961
900
#1A2C47
950
#101C2D

Contrast Checker

Text on white

5.89:1

AA Pass AAA Fail

Text on black

3.57:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026