#383F4F

#383F4F

Color Values

HEX

#383F4F

RGB

56, 63, 79

HSL

221.7, 17.0%, 26.5%

HSV

221.7, 29.1%, 31.0%

CMYK

29.1%, 20.3%, 0.0%, 69.0%

OKLCH

0.3678 0.0292 266.4

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#383F4F

#4F4838

Analogous

#384B4F

#3D384F

#383F4F

Triadic

#383F4F

#4F383F

#3F4F38

Split Complementary

#383F4F

#4F3D38

#4B4F38

Tetradic

#383F4F

#4F384B

#4F4838

#384F3D

Color Blindness Simulation

Original

#383F4F

Protanopia

#3B3B4B

Deuteranopia

#3B3A4A

Tritanopia

#384847

Achromatopsia

#3F3F3F

CSS Usage

background-color: #383F4F;
color: #383F4F;
border-color: #383F4F;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F6F7F8
100
#EBECF0
200
#D5D9E1
300
#B7BECC
400
#919AB1
500
#6A7795
600
#555F77
700
#444C5F
800
#353C4B
900
#292E38
950
#1A1D23

Contrast Checker

Text on white

10.54:1

AA Pass AAA Pass

Text on black

1.99:1

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