#665C87

#665C87

Color Values

HEX

#665C87

RGB

102, 92, 135

HSL

254.0, 18.9%, 44.5%

HSV

254.0, 31.9%, 52.9%

CMYK

24.4%, 31.9%, 0.0%, 47.1%

OKLCH

0.5017 0.0683 294.5

Properties

Cool Dark Nearest: RAL 4011 Pearl Violet

Color Harmonies

Complementary

#665C87

#7D875C

Analogous

#5C6787

#7B5C87

#665C87

Triadic

#665C87

#87665C

#5C8766

Split Complementary

#665C87

#877B5C

#67875C

Tetradic

#665C87

#875C67

#7D875C

#5C877B

Color Blindness Simulation

Original

#665C87

Protanopia

#62627D

Deuteranopia

#62637A

Tritanopia

#657473

Achromatopsia

#616161

CSS Usage

background-color: #665C87;
color: #665C87;
border-color: #665C87;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F7F6F9
100
#ECEAF0
200
#D8D5E2
300
#BCB6CD
400
#978FB2
500
#736798
600
#5C5379
700
#494261
800
#39344C
900
#2C2839
950
#1C1924

Contrast Checker

Text on white

6.09:1

AA Pass AAA Fail

Text on black

3.45:1

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