#3B4791

#3B4791

Color Values

HEX

#3B4791

RGB

59, 71, 145

HSL

231.6, 42.2%, 40.0%

HSV

231.6, 59.3%, 56.9%

CMYK

59.3%, 51.0%, 0.0%, 43.1%

OKLCH

0.4284 0.1218 273.3

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#3B4791

#91853B

Analogous

#3B7291

#5A3B91

#3B4791

Triadic

#3B4791

#913B47

#47913B

Split Complementary

#3B4791

#915A3B

#72913B

Tetradic

#3B4791

#913B72

#91853B

#3B915A

Color Blindness Simulation

Original

#3B4791

Protanopia

#40407F

Deuteranopia

#403F7B

Tritanopia

#3C716E

Achromatopsia

#4A4A4A

CSS Usage

background-color: #3B4791;
color: #3B4791;
border-color: #3B4791;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E9F4
200
#CCD0EA
300
#A8AFDC
400
#7984C8
500
#4A59B5
600
#3B4791
700
#2F3974
800
#252C5B
900
#1E2343
950
#13162A

Contrast Checker

Text on white

8.41:1

AA Pass AAA Pass

Text on black

2.5:1

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