#665F88

#665F88

Color Values

HEX

#665F88

RGB

102, 95, 136

HSL

250.2, 17.7%, 45.3%

HSV

250.2, 30.1%, 53.3%

CMYK

25.0%, 30.1%, 0.0%, 46.7%

OKLCH

0.5085 0.0647 291.8

Properties

Cool Dark Nearest: RAL 4011 Pearl Violet

Color Harmonies

Complementary

#665F88

#81885F

Analogous

#5F6D88

#7A5F88

#665F88

Triadic

#665F88

#88665F

#5F8866

Split Complementary

#665F88

#887A5F

#6D885F

Tetradic

#665F88

#885F6D

#81885F

#5F887A

Color Blindness Simulation

Original

#665F88

Protanopia

#63637E

Deuteranopia

#63647C

Tritanopia

#667675

Achromatopsia

#636363

CSS Usage

background-color: #665F88;
color: #665F88;
border-color: #665F88;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F7F6F9
100
#EBEAF0
200
#D7D5E2
300
#BBB7CD
400
#9690B1
500
#716996
600
#5A5478
700
#484360
800
#38344B
900
#2B2938
950
#1B1A23

Contrast Checker

Text on white

5.9:1

AA Pass AAA Fail

Text on black

3.56:1

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