#3F7DBE

#3F7DBE

Color Values

HEX

#3F7DBE

RGB

63, 125, 190

HSL

210.7, 50.2%, 49.6%

HSV

210.7, 66.8%, 74.5%

CMYK

66.8%, 34.2%, 0.0%, 25.5%

OKLCH

0.5788 0.1194 251.6

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3F7DBE

#BE803F

Analogous

#3FBCBE

#403FBE

#3F7DBE

Triadic

#3F7DBE

#BE3F7D

#7DBE3F

Split Complementary

#3F7DBE

#BE403F

#BCBE3F

Tetradic

#3F7DBE

#BE3FBC

#BE803F

#3FBE40

Color Blindness Simulation

Original

#3F7DBE

Protanopia

#5A5AAE

Deuteranopia

#5652AA

Tritanopia

#42A29F

Achromatopsia

#757575

CSS Usage

background-color: #3F7DBE;
color: #3F7DBE;
border-color: #3F7DBE;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#C9DBED
300
#A3C1E1
400
#71A0D0
500
#3F7EC0
600
#336599
700
#29517B
800
#203F60
900
#1B3046
950
#111E2C

Contrast Checker

Text on white

4.3:1

AA Fail AAA Fail

Text on black

4.89:1

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