#3F4368

#3F4368

Color Values

HEX

#3F4368

RGB

63, 67, 104

HSL

234.1, 24.6%, 32.7%

HSV

234.1, 39.4%, 40.8%

CMYK

39.4%, 35.6%, 0.0%, 59.2%

OKLCH

0.3962 0.0626 278.4

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F4368

#68643F

Analogous

#3F5768

#4F3F68

#3F4368

Triadic

#3F4368

#683F43

#43683F

Split Complementary

#3F4368

#684F3F

#57683F

Tetradic

#3F4368

#683F57

#68643F

#3F684F

Color Blindness Simulation

Original

#3F4368

Protanopia

#41415F

Deuteranopia

#40405D

Tritanopia

#3F5856

Achromatopsia

#454545

CSS Usage

background-color: #3F4368;
color: #3F4368;
border-color: #3F4368;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#E9EAF1
200
#D3D4E4
300
#B3B6D1
400
#898EB8
500
#60669F
600
#4D527F
700
#3E4166
800
#30334F
900
#26283B
950
#181925

Contrast Checker

Text on white

9.48:1

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