#384657

#384657

Color Values

HEX

#384657

RGB

56, 70, 87

HSL

212.9, 21.7%, 28.0%

HSV

212.9, 35.6%, 34.1%

CMYK

35.6%, 19.5%, 0.0%, 65.9%

OKLCH

0.389 0.0342 253.5

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#384657

#574938

Analogous

#385557

#393857

#384657

Triadic

#384657

#573846

#465738

Split Complementary

#384657

#573938

#555738

Tetradic

#384657

#573855

#574938

#385739

Color Blindness Simulation

Original

#384657

Protanopia

#3E3E53

Deuteranopia

#3D3C52

Tritanopia

#39504F

Achromatopsia

#444444

CSS Usage

background-color: #384657;
color: #384657;
border-color: #384657;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F6F7F9
100
#EAEDF0
200
#D4DBE3
300
#B5C1CF
400
#8C9FB5
500
#647D9B
600
#50647C
700
#405063
800
#323E4E
900
#27303A
950
#191E25

Contrast Checker

Text on white

9.62:1

AA Pass AAA Pass

Text on black

2.18:1

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