#404C71

#404C71

Color Values

HEX

#404C71

RGB

64, 76, 113

HSL

225,3, 27,7%, 34,7%

HSV

225,3, 43,4%, 44,3%

CMYK

43,4%, 32,7%, 0,0%, 55,7%

OKLCH

0,4228 0,0638 269,8

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#404C71

#716540

Analogous

#406471

#4C4071

#404C71

Triadic

#404C71

#71404C

#4C7140

Split Complementary

#404C71

#714C40

#647140

Tetradic

#404C71

#714064

#716540

#40714C

Color Blindness Simulation

Original

#404C71

Protanopia

#454568

Deuteranopia

#444466

Tritanopia

#41615F

Achromatopsia

#4C4C4C

CSS Usage

background-color: #404C71;
color: #404C71;
border-color: #404C71;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F6F6F9
100
#E9EBF1
200
#D1D6E5
300
#B1B9D3
400
#8793BB
500
#5C6DA3
600
#4A5882
700
#3B4668
800
#2E3751
900
#242A3D
950
#171B26

Contrast Checker

Text on white

8,43:1

AA Pass AAA Pass

Text on black

2,49:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026