#3B4B71

#3B4B71

Color Values

HEX

#3B4B71

RGB

59, 75, 113

HSL

222.2, 31.4%, 33.7%

HSV

222.2, 47.8%, 44.3%

CMYK

47.8%, 33.6%, 0.0%, 55.7%

OKLCH

0.4168 0.0671 266.1

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3B4B71

#71613B

Analogous

#3B6671

#463B71

#3B4B71

Triadic

#3B4B71

#713B4B

#4B713B

Split Complementary

#3B4B71

#71463B

#66713B

Tetradic

#3B4B71

#713B66

#71613B

#3B7146

Color Blindness Simulation

Original

#3B4B71

Protanopia

#424268

Deuteranopia

#414066

Tritanopia

#3C615F

Achromatopsia

#4A4A4A

CSS Usage

background-color: #3B4B71;
color: #3B4B71;
border-color: #3B4B71;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F5F7F9
100
#E8EBF2
200
#D0D7E7
300
#AFBAD5
400
#8395BE
500
#576FA8
600
#465986
700
#38476B
800
#2C3854
900
#232B3E
950
#161B27

Contrast Checker

Text on white

8.64:1

AA Pass AAA Pass

Text on black

2.43:1

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