#3966A7

#3966A7

Color Values

HEX

#3966A7

RGB

57, 102, 167

HSL

215.5, 49.1%, 43.9%

HSV

215.5, 65.9%, 65.5%

CMYK

65.9%, 38.9%, 0.0%, 34.5%

OKLCH

0.5102 0.1151 257.7

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3966A7

#A77A39

Analogous

#399DA7

#4339A7

#3966A7

Triadic

#3966A7

#A73966

#66A739

Split Complementary

#3966A7

#A74339

#9DA739

Tetradic

#3966A7

#A7399D

#A77A39

#39A743

Color Blindness Simulation

Original

#3966A7

Protanopia

#4C4D97

Deuteranopia

#4A4694

Tritanopia

#3B8B88

Achromatopsia

#616161

CSS Usage

background-color: #3966A7;
color: #3966A7;
border-color: #3966A7;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E6ECF5
200
#CAD8ED
300
#A4BCE0
400
#7298CF
500
#4174BE
600
#345D98
700
#2A4A7A
800
#203A5F
900
#1B2D46
950
#111C2C

Contrast Checker

Text on white

5.78:1

AA Pass AAA Fail

Text on black

3.63:1

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