#664C89

#664C89

Color Values

HEX

#664C89

RGB

102, 76, 137

HSL

265.6, 28.6%, 41.8%

HSV

265.6, 44.5%, 53.7%

CMYK

25.5%, 44.5%, 0.0%, 46.3%

OKLCH

0.4709 0.0995 302.4

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#664C89

#6F894C

Analogous

#4C5189

#854C89

#664C89

Triadic

#664C89

#89664C

#4C8966

Split Complementary

#664C89

#89854C

#51894C

Tetradic

#664C89

#894C51

#6F894C

#4C8985

Color Blindness Simulation

Original

#664C89

Protanopia

#5B5B7A

Deuteranopia

#5C5E77

Tritanopia

#656F6C

Achromatopsia

#565656

CSS Usage

background-color: #664C89;
color: #664C89;
border-color: #664C89;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F7F5F9
100
#EDE9F1
200
#DAD1E6
300
#BFB0D3
400
#9D86BC
500
#7A5BA4
600
#624983
700
#4E3A69
800
#3D2E52
900
#2F243D
950
#1D1726

Contrast Checker

Text on white

7.09:1

AA Pass AAA Pass

Text on black

2.96:1

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