#404663

#404663

Color Values

HEX

#404663

RGB

64, 70, 99

HSL

229.7, 21.5%, 32.0%

HSV

229.7, 35.4%, 38.8%

CMYK

35.4%, 29.3%, 0.0%, 61.2%

OKLCH

0.4013 0.0496 274.9

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#404663

#635D40

Analogous

#405863

#4C4063

#404663

Triadic

#404663

#634046

#466340

Split Complementary

#404663

#634C40

#586340

Tetradic

#404663

#634058

#635D40

#40634C

Color Blindness Simulation

Original

#404663

Protanopia

#43435C

Deuteranopia

#42425A

Tritanopia

#405655

Achromatopsia

#474747

CSS Usage

background-color: #404663;
color: #404663;
border-color: #404663;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#EAEBF0
200
#D4D6E3
300
#B5B9CF
400
#8C93B5
500
#646D9B
600
#50587C
700
#404663
800
#32374D
900
#272A3A
950
#191B25

Contrast Checker

Text on white

9.23:1

AA Pass AAA Pass

Text on black

2.27:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026