#404B68

#404B68

Color Values

HEX

#404B68

RGB

64, 75, 104

HSL

223.5, 23.8%, 32.9%

HSV

223.5, 38.5%, 40.8%

CMYK

38.5%, 27.9%, 0.0%, 59.2%

OKLCH

0.4157 0.0508 268.1

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#404B68

#685D40

Analogous

#405F68

#494068

#404B68

Triadic

#404B68

#68404B

#4B6840

Split Complementary

#404B68

#684940

#5F6840

Tetradic

#404B68

#68405F

#685D40

#406849

Color Blindness Simulation

Original

#404B68

Protanopia

#454561

Deuteranopia

#44435F

Tritanopia

#415B5A

Achromatopsia

#4B4B4B

CSS Usage

background-color: #404B68;
color: #404B68;
border-color: #404B68;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#EAECF1
200
#D3D7E4
300
#B3BBD0
400
#8A97B7
500
#61729E
600
#4E5B7E
700
#3E4965
800
#31394F
900
#262C3B
950
#181C25

Contrast Checker

Text on white

8.66:1

AA Pass AAA Pass

Text on black

2.42:1

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