#3F71B0

#3F71B0

Color Values

HEX

#3F71B0

RGB

63, 113, 176

HSL

213.5, 47.3%, 46.9%

HSV

213.5, 64.2%, 69.0%

CMYK

64.2%, 35.8%, 0.0%, 31.0%

OKLCH

0.5435 0.113 255.1

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3F71B0

#B07E3F

Analogous

#3FAAB0

#463FB0

#3F71B0

Triadic

#3F71B0

#B03F71

#71B03F

Split Complementary

#3F71B0

#B0463F

#AAB03F

Tetradic

#3F71B0

#B03FAA

#B07E3F

#3FB046

Color Blindness Simulation

Original

#3F71B0

Protanopia

#5555A1

Deuteranopia

#524E9D

Tritanopia

#429592

Achromatopsia

#6B6B6B

CSS Usage

background-color: #3F71B0;
color: #3F71B0;
border-color: #3F71B0;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FA
100
#E6ECF4
200
#CAD9EC
300
#A5BEDF
400
#749BCD
500
#4378BC
600
#366096
700
#2B4D78
800
#223C5E
900
#1C2E45
950
#121D2C

Contrast Checker

Text on white

5.0:1

AA Pass AAA Fail

Text on black

4.2:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026