#6166CC

#6166CC

Color Values

HEX

#6166CC

RGB

97, 102, 204

HSL

237.2, 51.2%, 59.0%

HSV

237.2, 52.5%, 80.0%

CMYK

52.5%, 50.0%, 0.0%, 20.0%

OKLCH

0.5578 0.1548 278.0

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#6166CC

#CCC761

Analogous

#619BCC

#9161CC

#6166CC

Triadic

#6166CC

#CC6166

#66CC61

Split Complementary

#6166CC

#CC9161

#9BCC61

Tetradic

#6166CC

#CC619B

#CCC761

#61CC91

Color Blindness Simulation

Original

#6166CC

Protanopia

#6363B3

Deuteranopia

#6362AD

Tritanopia

#61A09C

Achromatopsia

#6C6C6C

CSS Usage

background-color: #6166CC;
color: #6166CC;
border-color: #6166CC;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C9CBEE
300
#A2A5E1
400
#7075D1
500
#3E44C1
600
#32379A
700
#282C7B
800
#1F2260
900
#1A1C47
950
#10122D

Contrast Checker

Text on white

4.91:1

AA Pass AAA Fail

Text on black

4.28:1

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