#3F7EB9

#3F7EB9

Color Values

HEX

#3F7EB9

RGB

63, 126, 185

HSL

209.0, 49.2%, 48.6%

HSV

209.0, 65.9%, 72.5%

CMYK

65.9%, 31.9%, 0.0%, 27.5%

OKLCH

0.5784 0.1121 249.0

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#3F7EB9

#B97A3F

Analogous

#3FB9B7

#3F41B9

#3F7EB9

Triadic

#3F7EB9

#B93F7E

#7EB93F

Split Complementary

#3F7EB9

#B93F41

#B9B73F

Tetradic

#3F7EB9

#B73FB9

#B97A3F

#41B93F

Color Blindness Simulation

Original

#3F7EB9

Protanopia

#5A5BAB

Deuteranopia

#5752A7

Tritanopia

#429F9D

Achromatopsia

#757575

CSS Usage

background-color: #3F7EB9;
color: #3F7EB9;
border-color: #3F7EB9;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#CADCED
300
#A4C3E0
400
#72A2CF
500
#4182BE
600
#346898
700
#29537A
800
#20415F
900
#1B3146
950
#111F2C

Contrast Checker

Text on white

4.29:1

AA Fail AAA Fail

Text on black

4.9:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026