#51428D

#51428D

Color Values

HEX

#51428D

RGB

81, 66, 141

HSL

252.0, 36.2%, 40.6%

HSV

252.0, 53.2%, 55.3%

CMYK

42.6%, 53.2%, 0.0%, 44.7%

OKLCH

0.4335 0.1196 289.7

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#51428D

#7E8D42

Analogous

#42598D

#77428D

#51428D

Triadic

#51428D

#8D5142

#428D51

Split Complementary

#51428D

#8D7742

#598D42

Tetradic

#51428D

#8D4259

#7E8D42

#428D77

Color Blindness Simulation

Original

#51428D

Protanopia

#4B4A7B

Deuteranopia

#4B4C76

Tritanopia

#506D69

Achromatopsia

#4B4B4B

CSS Usage

background-color: #51428D;
color: #51428D;
border-color: #51428D;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F6F5FA
100
#EAE8F3
200
#D4CEE8
300
#B5ACD8
400
#8C7EC3
500
#6451AE
600
#50418B
700
#40346F
800
#322957
900
#272140
950
#191529

Contrast Checker

Text on white

8.35:1

AA Pass AAA Pass

Text on black

2.51:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026