#5B5FDB

#5B5FDB

Color Values

HEX

#5B5FDB

RGB

91, 95, 219

HSL

238.1, 64.0%, 60.8%

HSV

238.1, 58.4%, 85.9%

CMYK

58.4%, 56.6%, 0.0%, 14.1%

OKLCH

0.5512 0.1857 277.0

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#5B5FDB

#DBD75B

Analogous

#5B9FDB

#975BDB

#5B5FDB

Triadic

#5B5FDB

#DB5B5F

#5FDB5B

Split Complementary

#5B5FDB

#DB975B

#9FDB5B

Tetradic

#5B5FDB

#DB5B9F

#DBD75B

#5BDB97

Color Blindness Simulation

Original

#5B5FDB

Protanopia

#5D5DBD

Deuteranopia

#5C5CB6

Tritanopia

#5BA5A0

Achromatopsia

#676767

CSS Usage

background-color: #5B5FDB;
color: #5B5FDB;
border-color: #5B5FDB;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F3F3FC
100
#E3E4F7
200
#C4C6F2
300
#9B9DE9
400
#6468DD
500
#2E33D1
600
#2529A7
700
#1D2186
800
#171A69
900
#15164C
950
#0D0E30

Contrast Checker

Text on white

5.12:1

AA Pass AAA Fail

Text on black

4.1:1

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