#3F4189

#3F4189

Color Values

HEX

#3F4189

RGB

63, 65, 137

HSL

238.4, 37.0%, 39.2%

HSV

238.4, 54.0%, 53.7%

CMYK

54.0%, 52.6%, 0.0%, 46.3%

OKLCH

0.4131 0.1173 278.7

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#3F4189

#89873F

Analogous

#3F6689

#623F89

#3F4189

Triadic

#3F4189

#893F41

#41893F

Split Complementary

#3F4189

#89623F

#66893F

Tetradic

#3F4189

#893F66

#89873F

#3F8962

Color Blindness Simulation

Original

#3F4189

Protanopia

#404078

Deuteranopia

#404073

Tritanopia

#3F6A67

Achromatopsia

#464646

CSS Usage

background-color: #3F4189;
color: #3F4189;
border-color: #3F4189;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E8F3
200
#CECFE9
300
#ABACD8
400
#7E80C4
500
#5053AF
600
#40428C
700
#333570
800
#282957
900
#202141
950
#141529

Contrast Checker

Text on white

9.02:1

AA Pass AAA Pass

Text on black

2.33:1

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