#6366BA

#6366BA

Color Values

HEX

#6366BA

RGB

99, 102, 186

HSL

237.9, 38.7%, 55.9%

HSV

237.9, 46.8%, 72.9%

CMYK

46.8%, 45.2%, 0.0%, 27.1%

OKLCH

0.5477 0.1289 279.7

Properties

Cool Dark Nearest: Blue Violet

Color Harmonies

Complementary

#6366BA

#BAB763

Analogous

#6392BA

#8B63BA

#6366BA

Triadic

#6366BA

#BA6366

#66BA63

Split Complementary

#6366BA

#BA8B63

#92BA63

Tetradic

#6366BA

#BA6392

#BAB763

#63BA8B

Color Blindness Simulation

Original

#6366BA

Protanopia

#6464A6

Deuteranopia

#6464A1

Tritanopia

#639692

Achromatopsia

#6B6B6B

CSS Usage

background-color: #6366BA;
color: #6366BA;
border-color: #6366BA;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CDCEE9
300
#AAACD9
400
#7C7FC5
500
#4E52B1
600
#3F418D
700
#323471
800
#272958
900
#202141
950
#141529

Contrast Checker

Text on white

5.07:1

AA Pass AAA Fail

Text on black

4.14:1

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