#51368D

#51368D

Color Values

HEX

#51368D

RGB

81, 54, 141

HSL

258.6, 44.6%, 38.2%

HSV

258.6, 61.7%, 55.3%

CMYK

42.6%, 61.7%, 0.0%, 44.7%

OKLCH

0.4122 0.138 293.8

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#51368D

#728D36

Analogous

#36468D

#7C368D

#51368D

Triadic

#51368D

#8D5136

#368D51

Split Complementary

#51368D

#8D7C36

#468D36

Tetradic

#51368D

#8D3646

#728D36

#368D7C

Color Blindness Simulation

Original

#51368D

Protanopia

#454578

Deuteranopia

#474973

Tritanopia

#506764

Achromatopsia

#424242

CSS Usage

background-color: #51368D;
color: #51368D;
border-color: #51368D;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F6F4FA
100
#EBE6F4
200
#D5CBEB
300
#B7A7DD
400
#9177CB
500
#6A47B8
600
#553993
700
#442D76
800
#35235C
900
#291D44
950
#1A122B

Contrast Checker

Text on white

9.28:1

AA Pass AAA Pass

Text on black

2.26:1

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