#404C64

#404C64

Color Values

HEX

#404C64

RGB

64, 76, 100

HSL

220.0, 22.0%, 32.2%

HSV

220.0, 36.0%, 39.2%

CMYK

36.0%, 24.0%, 0.0%, 60.8%

OKLCH

0.4161 0.0432 263.9

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#404C64

#645840

Analogous

#405E64

#464064

#404C64

Triadic

#404C64

#64404C

#4C6440

Split Complementary

#404C64

#644640

#5E6440

Tetradic

#404C64

#64405E

#645840

#406446

Color Blindness Simulation

Original

#404C64

Protanopia

#45455E

Deuteranopia

#44445D

Tritanopia

#415A59

Achromatopsia

#4B4B4B

CSS Usage

background-color: #404C64;
color: #404C64;
border-color: #404C64;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#EAECF0
200
#D3D9E3
300
#B4BDCF
400
#8C9AB5
500
#63769C
600
#505F7C
700
#404C64
800
#323B4E
900
#272D3A
950
#191D25

Contrast Checker

Text on white

8.62:1

AA Pass AAA Pass

Text on black

2.44:1

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