#646AAB

#646AAB

Color Values

HEX

#646AAB

RGB

100, 106, 171

HSL

234.9, 29.7%, 53.1%

HSV

234.9, 41.5%, 67.1%

CMYK

41.5%, 38.0%, 0.0%, 32.9%

OKLCH

0.5479 0.101 278.5

Properties

Cool Dark Nearest: Indigo

Color Harmonies

Complementary

#646AAB

#ABA564

Analogous

#648DAB

#8164AB

#646AAB

Triadic

#646AAB

#AB646A

#6AAB64

Split Complementary

#646AAB

#AB8164

#8DAB64

Tetradic

#646AAB

#AB648D

#ABA564

#64AB81

Color Blindness Simulation

Original

#646AAB

Protanopia

#67679B

Deuteranopia

#666698

Tritanopia

#648F8C

Achromatopsia

#6D6D6D

CSS Usage

background-color: #646AAB;
color: #646AAB;
border-color: #646AAB;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F6F9
100
#E9E9F2
200
#D1D2E6
300
#B0B3D4
400
#8589BD
500
#5A60A5
600
#484D84
700
#393D6A
800
#2D3053
900
#23263D
950
#161827

Contrast Checker

Text on white

5.01:1

AA Pass AAA Fail

Text on black

4.19:1

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