#3F7DB4

#3F7DB4

Color Values

HEX

#3F7DB4

RGB

63, 125, 180

HSL

208.2, 48.1%, 47.6%

HSV

208.2, 65.0%, 70.6%

CMYK

65.0%, 30.6%, 0.0%, 29.4%

OKLCH

0.5734 0.1068 247.6

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#3F7DB4

#B4763F

Analogous

#3FB4B0

#3F42B4

#3F7DB4

Triadic

#3F7DB4

#B43F7D

#7DB43F

Split Complementary

#3F7DB4

#B43F42

#B4B03F

Tetradic

#3F7DB4

#B03FB4

#B4763F

#42B43F

Color Blindness Simulation

Original

#3F7DB4

Protanopia

#5A5AA7

Deuteranopia

#5652A4

Tritanopia

#429C9A

Achromatopsia

#747474

CSS Usage

background-color: #3F7DB4;
color: #3F7DB4;
border-color: #3F7DB4;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CADCEC
300
#A4C4DF
400
#73A3CE
500
#4283BD
600
#356997
700
#2A5479
800
#21425E
900
#1B3245
950
#111F2C

Contrast Checker

Text on white

4.37:1

AA Fail AAA Fail

Text on black

4.8:1

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