#303481

#303481

Color Values

HEX

#303481

RGB

48, 52, 129

HSL

237.0, 45.8%, 34.7%

HSV

237.0, 62.8%, 50.6%

CMYK

62.8%, 59.7%, 0.0%, 49.4%

OKLCH

0.3694 0.1275 276.0

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#303481

#817D30

Analogous

#305D81

#543081

#303481

Triadic

#303481

#813034

#348130

Split Complementary

#303481

#815430

#5D8130

Tetradic

#303481

#81305D

#817D30

#308154

Color Blindness Simulation

Original

#303481

Protanopia

#32326E

Deuteranopia

#32316A

Tritanopia

#30605C

Achromatopsia

#393939

CSS Usage

background-color: #303481;
color: #303481;
border-color: #303481;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCDEC
300
#A6A9DE
400
#757ACC
500
#454BBA
600
#373C95
700
#2C3077
800
#23255D
900
#1C1E44
950
#12132B

Contrast Checker

Text on white

10.86:1

AA Pass AAA Pass

Text on black

1.93:1

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