#5B63CE

#5B63CE

Color Values

HEX

#5B63CE

RGB

91, 99, 206

HSL

235.8, 54.0%, 58.2%

HSV

235.8, 55.8%, 80.8%

CMYK

55.8%, 51.9%, 0.0%, 19.2%

OKLCH

0.5492 0.1629 276.4

Properties

Cool Dark Nearest: royalblue 3

Color Harmonies

Complementary

#5B63CE

#CEC65B

Analogous

#5B9CCE

#8C5BCE

#5B63CE

Triadic

#5B63CE

#CE5B63

#63CE5B

Split Complementary

#5B63CE

#CE8C5B

#9CCE5B

Tetradic

#5B63CE

#CE5B9C

#CEC65B

#5BCE8C

Color Blindness Simulation

Original

#5B63CE

Protanopia

#5E5FB4

Deuteranopia

#5E5DAE

Tritanopia

#5BA09B

Achromatopsia

#696969

CSS Usage

background-color: #5B63CE;
color: #5B63CE;
border-color: #5B63CE;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C8CBEF
300
#A1A5E3
400
#6E75D4
500
#3B44C4
600
#2F379D
700
#262C7E
800
#1D2262
900
#191C48
950
#10122D

Contrast Checker

Text on white

5.1:1

AA Pass AAA Fail

Text on black

4.12:1

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