#6563CF

#6563CF

Color Values

HEX

#6563CF

RGB

101, 99, 207

HSL

241.1, 52.9%, 60.0%

HSV

241.1, 52.2%, 81.2%

CMYK

51.2%, 52.2%, 0.0%, 18.8%

OKLCH

0.5571 0.1623 280.6

Properties

Cool Dark Nearest: slateblue

Color Harmonies

Complementary

#6563CF

#CDCF63

Analogous

#6397CF

#9B63CF

#6563CF

Triadic

#6563CF

#CF6563

#63CF65

Split Complementary

#6563CF

#CF9B63

#97CF63

Tetradic

#6563CF

#CF6397

#CDCF63

#63CF9B

Color Blindness Simulation

Original

#6563CF

Protanopia

#6464B5

Deuteranopia

#6464AF

Tritanopia

#65A09C

Achromatopsia

#6B6B6B

CSS Usage

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

Tailwind Shades

50
#F4F4FB
100
#E5E5F5
200
#C9C8EE
300
#A3A1E2
400
#716FD3
500
#3F3CC3
600
#32309C
700
#28267D
800
#1F1E61
900
#1A1948
950
#11102D

Contrast Checker

Text on white

4.95:1

AA Pass AAA Fail

Text on black

4.24:1

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