#3F79A4

#3F79A4

Color Values

HEX

#3F79A4

RGB

63, 121, 164

HSL

205.5, 44.5%, 44.5%

HSV

205.5, 61.6%, 64.3%

CMYK

61.6%, 26.2%, 0.0%, 35.7%

OKLCH

0.5557 0.0906 242.8

Properties

Cool Dark Nearest: steelblue

Color Harmonies

Complementary

#3F79A4

#A46A3F

Analogous

#3FA49C

#3F47A4

#3F79A4

Triadic

#3F79A4

#A43F79

#79A43F

Split Complementary

#3F79A4

#A43F47

#A49C3F

Tetradic

#3F79A4

#9C3FA4

#A46A3F

#47A43F

Color Blindness Simulation

Original

#3F79A4

Protanopia

#58599A

Deuteranopia

#555097

Tritanopia

#429190

Achromatopsia

#707070

CSS Usage

background-color: #3F79A4;
color: #3F79A4;
border-color: #3F79A4;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CBDEEB
300
#A7C6DD
400
#77A7CB
500
#4788B8
600
#396D93
700
#2D5776
800
#23445C
900
#1D3344
950
#12202B

Contrast Checker

Text on white

4.69:1

AA Pass AAA Fail

Text on black

4.48:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026