#3F7BBA

#3F7BBA

Color Values

HEX

#3F7BBA

RGB

63, 123, 186

HSL

210.7, 49.4%, 48.8%

HSV

210.7, 66.1%, 72.9%

CMYK

66.1%, 33.9%, 0.0%, 27.1%

OKLCH

0.572 0.1162 251.5

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3F7BBA

#BA7E3F

Analogous

#3FB8BA

#403FBA

#3F7BBA

Triadic

#3F7BBA

#BA3F7B

#7BBA3F

Split Complementary

#3F7BBA

#BA403F

#B8BA3F

Tetradic

#3F7BBA

#BA3FB8

#BA7E3F

#3FBA40

Color Blindness Simulation

Original

#3F7BBA

Protanopia

#595AAB

Deuteranopia

#5651A7

Tritanopia

#429F9C

Achromatopsia

#737373

CSS Usage

background-color: #3F7BBA;
color: #3F7BBA;
border-color: #3F7BBA;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#CADBED
300
#A4C1E0
400
#72A0CF
500
#417EBE
600
#346598
700
#29517A
800
#203F5F
900
#1B3046
950
#111E2C

Contrast Checker

Text on white

4.42:1

AA Fail AAA Fail

Text on black

4.75:1

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