#6366AC

#6366AC

Color Values

HEX

#6366AC

RGB

99, 102, 172

HSL

237,5, 30,5%, 53,1%

HSV

237,5, 42,4%, 67,5%

CMYK

42,4%, 40,7%, 0,0%, 32,5%

OKLCH

0,5394 0,1085 280,2

Properties

Cool Dark Nearest: Indigo

Color Harmonies

Complementary

#6366AC

#ACA963

Analogous

#638AAC

#8463AC

#6366AC

Triadic

#6366AC

#AC6366

#66AC63

Split Complementary

#6366AC

#AC8463

#8AAC63

Tetradic

#6366AC

#AC638A

#ACA963

#63AC84

Color Blindness Simulation

Original

#6366AC

Protanopia

#64649B

Deuteranopia

#646497

Tritanopia

#638E8B

Achromatopsia

#6A6A6A

CSS Usage

background-color: #6366AC;
color: #6366AC;
border-color: #6366AC;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F6F9
100
#E9E9F2
200
#D0D1E6
300
#AFB1D4
400
#8486BD
500
#595CA6
600
#474985
700
#393B6A
800
#2C2E53
900
#23243E
950
#161727

Contrast Checker

Text on white

5,22:1

AA Pass AAA Fail

Text on black

4,03:1

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