#3990D2

#3990D2

Color Values

HEX

#3990D2

RGB

57, 144, 210

HSL

205.9, 63.0%, 52.4%

HSV

205.9, 72.9%, 82.4%

CMYK

72.9%, 31.4%, 0.0%, 17.6%

OKLCH

0.6313 0.1292 245.0

Properties

Cool Light Nearest: steelblue 3

Color Harmonies

Complementary

#3990D2

#D27B39

Analogous

#39D2C8

#3944D2

#3990D2

Triadic

#3990D2

#D23990

#90D239

Split Complementary

#3990D2

#D23944

#D2C839

Tetradic

#3990D2

#C839D2

#D27B39

#44D239

Color Blindness Simulation

Original

#3990D2

Protanopia

#5F5FC2

Deuteranopia

#5A53BE

Tritanopia

#3DB5B3

Achromatopsia

#828282

CSS Usage

background-color: #3990D2;
color: #3990D2;
border-color: #3990D2;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F8FB
100
#E4EEF7
200
#C5DEF2
300
#9BC7E8
400
#65A9DC
500
#2F8AD0
600
#266FA6
700
#1E5985
800
#184568
900
#15344C
950
#0D2130

Contrast Checker

Text on white

3.45:1

AA Fail AAA Fail

Text on black

6.09:1

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