#3F7AB3

#3F7AB3

Color Values

HEX

#3F7AB3

RGB

63, 122, 179

HSL

209.5, 47.9%, 47.5%

HSV

209.5, 64.8%, 70.2%

CMYK

64.8%, 31.8%, 0.0%, 29.8%

OKLCH

0.5659 0.1082 249.6

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#3F7AB3

#B3783F

Analogous

#3FB3B2

#3F40B3

#3F7AB3

Triadic

#3F7AB3

#B33F7A

#7AB33F

Split Complementary

#3F7AB3

#B33F40

#B3B23F

Tetradic

#3F7AB3

#B23FB3

#B3783F

#40B33F

Color Blindness Simulation

Original

#3F7AB3

Protanopia

#5959A5

Deuteranopia

#5551A2

Tritanopia

#429A98

Achromatopsia

#727272

CSS Usage

background-color: #3F7AB3;
color: #3F7AB3;
border-color: #3F7AB3;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CADCEC
300
#A4C2DF
400
#73A1CE
500
#4281BD
600
#356797
700
#2B5279
800
#21405E
900
#1C3145
950
#111F2C

Contrast Checker

Text on white

4.52:1

AA Pass AAA Fail

Text on black

4.65:1

AA Pass 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