#3F4589

#3F4589

Color Values

HEX

#3F4589

RGB

63, 69, 137

HSL

235.1, 37.0%, 39.2%

HSV

235.1, 54.0%, 53.7%

CMYK

54.0%, 49.6%, 0.0%, 46.3%

OKLCH

0.4214 0.1115 276.7

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#3F4589

#89833F

Analogous

#3F6A89

#5E3F89

#3F4589

Triadic

#3F4589

#893F45

#45893F

Split Complementary

#3F4589

#895E3F

#6A893F

Tetradic

#3F4589

#893F6A

#89833F

#3F895E

Color Blindness Simulation

Original

#3F4589

Protanopia

#424279

Deuteranopia

#414175

Tritanopia

#3F6C69

Achromatopsia

#494949

CSS Usage

background-color: #3F4589;
color: #3F4589;
border-color: #3F4589;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E8F3
200
#CED0E9
300
#ABAFD8
400
#7E83C4
500
#5058AF
600
#40468C
700
#333870
800
#282C57
900
#202341
950
#141629

Contrast Checker

Text on white

8.66:1

AA Pass AAA Pass

Text on black

2.42:1

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