#3F4172

#3F4172

Color Values

HEX

#3F4172

RGB

63, 65, 114

HSL

237.6, 28.8%, 34.7%

HSV

237.6, 44.7%, 44.7%

CMYK

44.7%, 43.0%, 0.0%, 55.3%

OKLCH

0.3976 0.0819 280.2

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#3F4172

#72703F

Analogous

#3F5B72

#563F72

#3F4172

Triadic

#3F4172

#723F41

#41723F

Split Complementary

#3F4172

#72563F

#5B723F

Tetradic

#3F4172

#723F5B

#72703F

#3F7256

Color Blindness Simulation

Original

#3F4172

Protanopia

#404066

Deuteranopia

#404063

Tritanopia

#3F5D5B

Achromatopsia

#444444

CSS Usage

background-color: #3F4172;
color: #3F4172;
border-color: #3F4172;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F6F9
100
#E9E9F2
200
#D1D2E6
300
#B0B2D3
400
#8588BC
500
#5B5EA4
600
#494B83
700
#3A3C69
800
#2D2F52
900
#24253D
950
#171727

Contrast Checker

Text on white

9.5:1

AA Pass AAA Pass

Text on black

2.21:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026