#3F3D74

#3F3D74

Color Values

HEX

#3F3D74

RGB

63, 61, 116

HSL

242.2, 31.1%, 34.7%

HSV

242.2, 47.4%, 45.5%

CMYK

45.7%, 47.4%, 0.0%, 54.5%

OKLCH

0.3902 0.0914 283.0

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#3F3D74

#72743D

Analogous

#3D5674

#5B3D74

#3F3D74

Triadic

#3F3D74

#743F3D

#3D743F

Split Complementary

#3F3D74

#745B3D

#56743D

Tetradic

#3F3D74

#743D56

#72743D

#3D745B

Color Blindness Simulation

Original

#3F3D74

Protanopia

#3E3E67

Deuteranopia

#3E3E63

Tritanopia

#3F5C5A

Achromatopsia

#414141

CSS Usage

background-color: #3F3D74;
color: #3F3D74;
border-color: #3F3D74;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F5F9
100
#E9E8F2
200
#D1D0E6
300
#B0AFD5
400
#8583BE
500
#5B58A7
600
#494686
700
#3A386B
800
#2D2C54
900
#24233E
950
#171627

Contrast Checker

Text on white

9.85:1

AA Pass AAA Pass

Text on black

2.13:1

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