#383971

#383971

Color Values

HEX

#383971

RGB

56, 57, 113

HSL

238.9, 33.7%, 33.1%

HSV

238.9, 50.4%, 44.3%

CMYK

50.4%, 49.6%, 0.0%, 55.7%

OKLCH

0.3737 0.0941 280.0

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#383971

#717038

Analogous

#385571

#533871

#383971

Triadic

#383971

#713839

#397138

Split Complementary

#383971

#715338

#557138

Tetradic

#383971

#713855

#717038

#387153

Color Blindness Simulation

Original

#383971

Protanopia

#383863

Deuteranopia

#383860

Tritanopia

#385956

Achromatopsia

#3D3D3D

CSS Usage

background-color: #383971;
color: #383971;
border-color: #383971;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F5FA
100
#E8E8F2
200
#CFD0E7
300
#ADAED6
400
#8182C0
500
#5556AA
600
#444588
700
#36376D
800
#2A2B55
900
#22223F
950
#151628

Contrast Checker

Text on white

10.54:1

AA Pass AAA Pass

Text on black

1.99:1

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