#404B56

#404B56

Color Values

HEX

#404B56

RGB

64, 75, 86

HSL

210.0, 14.7%, 29.4%

HSV

210.0, 25.6%, 33.7%

CMYK

25.6%, 12.8%, 0.0%, 66.3%

OKLCH

0.4074 0.0233 248.4

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#404B56

#564B40

Analogous

#405656

#404056

#404B56

Triadic

#404B56

#56404B

#4B5640

Split Complementary

#404B56

#564040

#565640

Tetradic

#404B56

#564056

#564B40

#405640

Color Blindness Simulation

Original

#404B56

Protanopia

#454553

Deuteranopia

#444353

Tritanopia

#415151

Achromatopsia

#494949

CSS Usage

background-color: #404B56;
color: #404B56;
border-color: #404B56;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F6F7F8
100
#EBEDEF
200
#D6DBE1
300
#B9C2CB
400
#93A1AF
500
#6D8092
600
#576675
700
#46525E
800
#364049
900
#2A3037
950
#1B1F23

Contrast Checker

Text on white

8.9:1

AA Pass AAA Pass

Text on black

2.36:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026