#303887

#303887

Color Values

HEX

#303887

RGB

48, 56, 135

HSL

234.5, 47.5%, 35.9%

HSV

234.5, 64.4%, 52.9%

CMYK

64.4%, 58.5%, 0.0%, 47.1%

OKLCH

0.3824 0.1308 274.1

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#303887

#877F30

Analogous

#306487

#543087

#303887

Triadic

#303887

#873038

#388730

Split Complementary

#303887

#875430

#648730

Tetradic

#303887

#873064

#877F30

#308754

Color Blindness Simulation

Original

#303887

Protanopia

#333474

Deuteranopia

#33326F

Tritanopia

#306561

Achromatopsia

#3C3C3C

CSS Usage

background-color: #303887;
color: #303887;
border-color: #303887;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CACDEC
300
#A5AADF
400
#747CCD
500
#434EBC
600
#363E96
700
#2B3278
800
#21275E
900
#1C2045
950
#12142C

Contrast Checker

Text on white

10.29:1

AA Pass AAA Pass

Text on black

2.04:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026