#404287

#404287

Color Values

HEX

#404287

RGB

64, 66, 135

HSL

238.3, 35.7%, 39.0%

HSV

238.3, 52.6%, 52.9%

CMYK

52.6%, 51.1%, 0.0%, 47.1%

OKLCH

0.4145 0.1127 279.0

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#404287

#878540

Analogous

#406587

#614087

#404287

Triadic

#404287

#874042

#428740

Split Complementary

#404287

#876140

#658740

Tetradic

#404287

#874065

#878540

#408761

Color Blindness Simulation

Original

#404287

Protanopia

#414176

Deuteranopia

#414172

Tritanopia

#406966

Achromatopsia

#474747

CSS Usage

background-color: #404287;
color: #404287;
border-color: #404287;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E8F3
200
#CFCFE8
300
#ACADD8
400
#7F81C2
500
#5255AD
600
#42448A
700
#34366F
800
#292A57
900
#212240
950
#151528

Contrast Checker

Text on white

8.95:1

AA Pass AAA Pass

Text on black

2.35:1

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