#404283

#404283

Color Values

HEX

#404283

RGB

64, 66, 131

HSL

238,2, 34,4%, 38,2%

HSV

238,2, 51,1%, 51,4%

CMYK

51,1%, 49,6%, 0,0%, 48,6%

OKLCH

0,4117 0,1066 279,3

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#404283

#838140

Analogous

#406383

#5F4083

#404283

Triadic

#404283

#834042

#428340

Split Complementary

#404283

#835F40

#638340

Tetradic

#404283

#834063

#838140

#40835F

Color Blindness Simulation

Original

#404283

Protanopia

#414173

Deuteranopia

#41416F

Tritanopia

#406764

Achromatopsia

#464646

CSS Usage

background-color: #404283;
color: #404283;
border-color: #404283;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E8F2
200
#CFD0E8
300
#ADAED7
400
#8082C1
500
#5456AB
600
#434589
700
#36376E
800
#2A2B56
900
#21223F
950
#151628

Contrast Checker

Text on white

9,03:1

AA Pass AAA Pass

Text on black

2,33:1

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