#51307C

#51307C

Color Values

HEX

#51307C

RGB

81, 48, 124

HSL

266.1, 44.2%, 33.7%

HSV

266.1, 61.3%, 48.6%

CMYK

34.7%, 61.3%, 0.0%, 51.4%

OKLCH

0.3896 0.1248 300.8

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#51307C

#5B7C30

Analogous

#30357C

#77307C

#51307C

Triadic

#51307C

#7C5130

#307C51

Split Complementary

#51307C

#7C7730

#357C30

Tetradic

#51307C

#7C3035

#5B7C30

#307C77

Color Blindness Simulation

Original

#51307C

Protanopia

#43426A

Deuteranopia

#454765

Tritanopia

#4F5B58

Achromatopsia

#3D3D3D

CSS Usage

background-color: #51307C;
color: #51307C;
border-color: #51307C;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F4FA
100
#ECE6F4
200
#D9CCEB
300
#BEA7DD
400
#9B77CA
500
#7847B8
600
#603993
700
#4D2E76
800
#3C245C
900
#2E1D44
950
#1D122B

Contrast Checker

Text on white

10.18:1

AA Pass AAA Pass

Text on black

2.06:1

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