#5B378C

#5B378C

Color Values

HEX

#5B378C

RGB

91, 55, 140

HSL

265.4, 43.6%, 38.2%

HSV

265.4, 60.7%, 54.9%

CMYK

35.0%, 60.7%, 0.0%, 45.1%

OKLCH

0.4239 0.1363 300.2

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#5B378C

#688C37

Analogous

#373D8C

#85378C

#5B378C

Triadic

#5B378C

#8C5B37

#378C5B

Split Complementary

#5B378C

#8C8537

#3D8C37

Tetradic

#5B378C

#8C373D

#688C37

#378C85

Color Blindness Simulation

Original

#5B378C

Protanopia

#4B4B77

Deuteranopia

#4E5072

Tritanopia

#596764

Achromatopsia

#454545

CSS Usage

background-color: #5B378C;
color: #5B378C;
border-color: #5B378C;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F5FA
100
#ECE7F4
200
#D9CCEB
300
#BEA7DC
400
#9A78CA
500
#7748B7
600
#5F3A92
700
#4C2E75
800
#3B245C
900
#2E1D43
950
#1D132B

Contrast Checker

Text on white

8.86:1

AA Pass AAA Pass

Text on black

2.37:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026