#3966AC

#3966AC

Color Values

HEX

#3966AC

RGB

57, 102, 172

HSL

216.5, 50.2%, 44.9%

HSV

216.5, 66.9%, 67.5%

CMYK

66.9%, 40.7%, 0.0%, 32.5%

OKLCH

0.5133 0.1221 258.9

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#3966AC

#AC7F39

Analogous

#39A0AC

#4539AC

#3966AC

Triadic

#3966AC

#AC3966

#66AC39

Split Complementary

#3966AC

#AC4539

#A0AC39

Tetradic

#3966AC

#AC39A0

#AC7F39

#39AC45

Color Blindness Simulation

Original

#3966AC

Protanopia

#4C4D9B

Deuteranopia

#4A4697

Tritanopia

#3B8E8B

Achromatopsia

#616161

CSS Usage

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

Tailwind Shades

50
#F4F7FB
100
#E6EBF5
200
#C9D7ED
300
#A3BBE1
400
#7196D0
500
#3F72C0
600
#335B99
700
#29497B
800
#203960
900
#1B2C46
950
#111C2C

Contrast Checker

Text on white

5.72:1

AA Pass AAA Fail

Text on black

3.67:1

AA Fail AAA Fail

Related Articles

Tutorials

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

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026