#51347B

#51347B

Color Values

HEX

#51347B

RGB

81, 52, 123

HSL

264.5, 40.6%, 34.3%

HSV

264.5, 57.7%, 48.2%

CMYK

34.1%, 57.7%, 0.0%, 51.8%

OKLCH

0.3957 0.117 299.9

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#51347B

#5E7B34

Analogous

#343A7B

#74347B

#51347B

Triadic

#51347B

#7B5134

#347B51

Split Complementary

#51347B

#7B7434

#3A7B34

Tetradic

#51347B

#7B343A

#5E7B34

#347B74

Color Blindness Simulation

Original

#51347B

Protanopia

#44446A

Deuteranopia

#464866

Tritanopia

#505C59

Achromatopsia

#3F3F3F

CSS Usage

background-color: #51347B;
color: #51347B;
border-color: #51347B;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F5FA
100
#ECE7F3
200
#D9CDEA
300
#BDA9DB
400
#9A7AC7
500
#764CB3
600
#5E3D8F
700
#4C3073
800
#3B265A
900
#2D1F42
950
#1D132A

Contrast Checker

Text on white

9.87:1

AA Pass AAA Pass

Text on black

2.13:1

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