#3949BA

#3949BA

Color Values

HEX

#3949BA

RGB

57, 73, 186

HSL

232.6, 53.1%, 47.6%

HSV

232.6, 69.4%, 72.9%

CMYK

69.4%, 60.8%, 0.0%, 27.1%

OKLCH

0.4635 0.1775 271.4

Properties

Cool Dark Nearest: royalblue 3

Color Harmonies

Complementary

#3949BA

#BAAA39

Analogous

#3989BA

#6939BA

#3949BA

Triadic

#3949BA

#BA3949

#49BA39

Split Complementary

#3949BA

#BA6939

#89BA39

Tetradic

#3949BA

#BA3989

#BAAA39

#39BA69

Color Blindness Simulation

Original

#3949BA

Protanopia

#40409F

Deuteranopia

#3F3E98

Tritanopia

#3A8984

Achromatopsia

#4E4E4E

CSS Usage

background-color: #3949BA;
color: #3949BA;
border-color: #3949BA;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F5FB
100
#E5E7F5
200
#C8CDEE
300
#A1A9E2
400
#6F7BD3
500
#3C4CC3
600
#303D9C
700
#26317D
800
#1E2662
900
#191F48
950
#10142D

Contrast Checker

Text on white

7.4:1

AA Pass AAA Pass

Text on black

2.84:1

AA Fail AAA Fail

Related Articles

Tutorials

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

1月 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

1月 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

1月 15, 2026