#394458

#394458

Color Values

HEX

#394458

RGB

57, 68, 88

HSL

218.7, 21.4%, 28.4%

HSV

218.7, 35.2%, 34.5%

CMYK

35.2%, 22.7%, 0.0%, 65.5%

OKLCH

0.3853 0.0372 262.2

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#394458

#584D39

Analogous

#395358

#3D3958

#394458

Triadic

#394458

#583944

#445839

Split Complementary

#394458

#583D39

#535839

Tetradic

#394458

#583953

#584D39

#39583D

Color Blindness Simulation

Original

#394458

Protanopia

#3E3E53

Deuteranopia

#3D3C52

Tritanopia

#3A4F4E

Achromatopsia

#434343

CSS Usage

background-color: #394458;
color: #394458;
border-color: #394458;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F7F9
100
#EAECF0
200
#D4D9E3
300
#B5BECF
400
#8C9BB5
500
#64789B
600
#50607C
700
#404D63
800
#323C4D
900
#272E3A
950
#191D24

Contrast Checker

Text on white

9.81:1

AA Pass AAA Pass

Text on black

2.14:1

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