#405456

#405456

Color Values

HEX

#405456

RGB

64, 84, 86

HSL

185.5, 14.7%, 29.4%

HSV

185.5, 25.6%, 33.7%

CMYK

25.6%, 2.3%, 0.0%, 66.3%

OKLCH

0.43 0.0248 203.9

Properties

Cool Dark Nearest: Outer Space

Color Harmonies

Complementary

#405456

#564240

Analogous

#40564D

#404956

#405456

Triadic

#405456

#564054

#545640

Split Complementary

#405456

#564049

#564D40

Tetradic

#405456

#4D4056

#564240

#495640

Color Blindness Simulation

Original

#405456

Protanopia

#494956

Deuteranopia

#484655

Tritanopia

#415555

Achromatopsia

#505050

CSS Usage

background-color: #405456;
color: #405456;
border-color: #405456;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F6F8F8
100
#EBEFEF
200
#D6E0E1
300
#B9C9CB
400
#93ACAF
500
#6D8F92
600
#577275
700
#465B5E
800
#364749
900
#2A3637
950
#1B2223

Contrast Checker

Text on white

8.01:1

AA Pass AAA Pass

Text on black

2.62:1

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