#6563CC

#6563CC

Color Values

HEX

#6563CC

RGB

101, 99, 204

HSL

241.1, 50.7%, 59.4%

HSV

241.1, 51.5%, 80.0%

CMYK

50.5%, 51.5%, 0.0%, 20.0%

OKLCH

0.555 0.1582 280.8

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#6563CC

#CACC63

Analogous

#6396CC

#9963CC

#6563CC

Triadic

#6563CC

#CC6563

#63CC65

Split Complementary

#6563CC

#CC9963

#96CC63

Tetradic

#6563CC

#CC6396

#CACC63

#63CC99

Color Blindness Simulation

Original

#6563CC

Protanopia

#6464B3

Deuteranopia

#6464AC

Tritanopia

#659F9A

Achromatopsia

#6B6B6B

CSS Usage

background-color: #6563CC;
color: #6563CC;
border-color: #6563CC;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F4F4FB
100
#E6E5F5
200
#CAC9ED
300
#A4A3E1
400
#7371D0
500
#413FC0
600
#34329A
700
#2A287B
800
#211F60
900
#1B1A47
950
#11112D

Contrast Checker

Text on white

4.99:1

AA Pass AAA Fail

Text on black

4.21:1

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