#3F4269

#3F4269

Color Values

HEX

#3F4269

RGB

63, 66, 105

HSL

235.7, 25.0%, 32.9%

HSV

235.7, 40.0%, 41.2%

CMYK

40.0%, 37.1%, 0.0%, 58.8%

OKLCH

0.3945 0.0658 279.6

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F4269

#69663F

Analogous

#3F5769

#513F69

#3F4269

Triadic

#3F4269

#693F42

#42693F

Split Complementary

#3F4269

#69513F

#57693F

Tetradic

#3F4269

#693F57

#69663F

#3F6951

Color Blindness Simulation

Original

#3F4269

Protanopia

#404060

Deuteranopia

#40405D

Tritanopia

#3F5856

Achromatopsia

#444444

CSS Usage

background-color: #3F4269;
color: #3F4269;
border-color: #3F4269;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#E9EAF1
200
#D2D4E4
300
#B2B5D1
400
#898CB8
500
#60649F
600
#4D5080
700
#3D4066
800
#303250
900
#26273B
950
#181925

Contrast Checker

Text on white

9.57:1

AA Pass AAA Pass

Text on black

2.19:1

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