#3F79A3

#3F79A3

Color Values

HEX

#3F79A3

RGB

63, 121, 163

HSL

205.2, 44.2%, 44.3%

HSV

205.2, 61.3%, 63.9%

CMYK

61.3%, 25.8%, 0.0%, 36.1%

OKLCH

0.5552 0.0895 242.2

Properties

Cool Dark Nearest: steelblue

Color Harmonies

Complementary

#3F79A3

#A3693F

Analogous

#3FA39B

#3F47A3

#3F79A3

Triadic

#3F79A3

#A33F79

#79A33F

Split Complementary

#3F79A3

#A33F47

#A39B3F

Tetradic

#3F79A3

#9B3FA3

#A3693F

#47A33F

Color Blindness Simulation

Original

#3F79A3

Protanopia

#585999

Deuteranopia

#555096

Tritanopia

#42918F

Achromatopsia

#707070

CSS Usage

background-color: #3F79A3;
color: #3F79A3;
border-color: #3F79A3;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CCDEEB
300
#A7C6DD
400
#77A7CA
500
#4789B8
600
#396D93
700
#2E5776
800
#24445C
900
#1D3444
950
#12212B

Contrast Checker

Text on white

4.69:1

AA Pass AAA Fail

Text on black

4.48:1

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