#3984CC

#3984CC

Color Values

HEX

#3984CC

RGB

57, 132, 204

HSL

209.4, 59.0%, 51.2%

HSV

209.4, 72.1%, 80.0%

CMYK

72.1%, 35.3%, 0.0%, 20.0%

OKLCH

0.6005 0.1327 250.2

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3984CC

#CC8139

Analogous

#39CCCB

#393BCC

#3984CC

Triadic

#3984CC

#CC3984

#84CC39

Split Complementary

#3984CC

#CC393B

#CCCB39

Tetradic

#3984CC

#CB39CC

#CC8139

#3BCC39

Color Blindness Simulation

Original

#3984CC

Protanopia

#595ABB

Deuteranopia

#5550B6

Tritanopia

#3DADAA

Achromatopsia

#797979

CSS Usage

background-color: #3984CC;
color: #3984CC;
border-color: #3984CC;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E4EDF6
200
#C6DCF0
300
#9EC3E6
400
#69A2D8
500
#3481CB
600
#2A67A2
700
#215382
800
#1A4165
900
#17314A
950
#0E1F2F

Contrast Checker

Text on white

3.93:1

AA Fail AAA Fail

Text on black

5.35:1

AA Pass AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

ก.พ. 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

ก.พ. 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

ก.พ. 20, 2026