#665F8B

#665F8B

Color Values

HEX

#665F8B

RGB

102, 95, 139

HSL

249.5, 18.8%, 45.9%

HSV

249.5, 31.7%, 54.5%

CMYK

26.6%, 31.7%, 0.0%, 45.5%

OKLCH

0.5099 0.0692 291.0

Properties

Cool Dark Nearest: RAL 4011 Pearl Violet

Color Harmonies

Complementary

#665F8B

#848B5F

Analogous

#5F6E8B

#7C5F8B

#665F8B

Triadic

#665F8B

#8B665F

#5F8B66

Split Complementary

#665F8B

#8B7C5F

#6E8B5F

Tetradic

#665F8B

#8B5F6E

#848B5F

#5F8B7C

Color Blindness Simulation

Original

#665F8B

Protanopia

#636380

Deuteranopia

#63647E

Tritanopia

#667876

Achromatopsia

#646464

CSS Usage

background-color: #665F8B;
color: #665F8B;
border-color: #665F8B;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F7F6F9
100
#EBEAF0
200
#D7D5E2
300
#BAB6CD
400
#958FB2
500
#6F6897
600
#595379
700
#474261
800
#38344C
900
#2B2839
950
#1B1924

Contrast Checker

Text on white

5.87:1

AA Pass AAA Fail

Text on black

3.57:1

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