#3F4174

#3F4174

Color Values

HEX

#3F4174

RGB

63, 65, 116

HSL

237.7, 29.6%, 35.1%

HSV

237.7, 45.7%, 45.5%

CMYK

45.7%, 44.0%, 0.0%, 54.5%

OKLCH

0.3989 0.0851 280.1

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#3F4174

#74723F

Analogous

#3F5C74

#573F74

#3F4174

Triadic

#3F4174

#743F41

#41743F

Split Complementary

#3F4174

#74573F

#5C743F

Tetradic

#3F4174

#743F5C

#74723F

#3F7457

Color Blindness Simulation

Original

#3F4174

Protanopia

#404068

Deuteranopia

#404065

Tritanopia

#3F5E5C

Achromatopsia

#444444

CSS Usage

background-color: #3F4174;
color: #3F4174;
border-color: #3F4174;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F6F9
100
#E9E9F2
200
#D1D2E6
300
#B0B1D4
400
#8587BD
500
#5A5DA5
600
#484A84
700
#393B6A
800
#2D2E53
900
#24253D
950
#161727

Contrast Checker

Text on white

9.46:1

AA Pass AAA Pass

Text on black

2.22:1

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