#3964A6

#3964A6

Color Values

HEX

#3964A6

RGB

57, 100, 166

HSL

216.3, 48.9%, 43.7%

HSV

216.3, 65.7%, 65.1%

CMYK

65.7%, 39.8%, 0.0%, 34.9%

OKLCH

0.5051 0.116 258.7

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3964A6

#A67B39

Analogous

#399AA6

#4439A6

#3964A6

Triadic

#3964A6

#A63964

#64A639

Split Complementary

#3964A6

#A64439

#9AA639

Tetradic

#3964A6

#A6399A

#A67B39

#39A644

Color Blindness Simulation

Original

#3964A6

Protanopia

#4C4C96

Deuteranopia

#494692

Tritanopia

#3B8987

Achromatopsia

#606060

CSS Usage

background-color: #3964A6;
color: #3964A6;
border-color: #3964A6;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E6ECF5
200
#CAD8ED
300
#A4BCE0
400
#7397CF
500
#4172BE
600
#345C98
700
#2A497A
800
#21395F
900
#1B2C46
950
#111C2C

Contrast Checker

Text on white

5.92:1

AA Pass AAA Fail

Text on black

3.55:1

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