#404187

#404187

Color Values

HEX

#404187

RGB

64, 65, 135

HSL

239.2, 35.7%, 39.0%

HSV

239.2, 52.6%, 52.9%

CMYK

52.6%, 51.9%, 0.0%, 47.1%

OKLCH

0.4125 0.1142 279.5

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#404187

#878640

Analogous

#406487

#634087

#404187

Triadic

#404187

#874041

#418740

Split Complementary

#404187

#876340

#648740

Tetradic

#404187

#874064

#878640

#408763

Color Blindness Simulation

Original

#404187

Protanopia

#404076

Deuteranopia

#404072

Tritanopia

#406966

Achromatopsia

#464646

CSS Usage

background-color: #404187;
color: #404187;
border-color: #404187;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E8F3
200
#CFCFE8
300
#ACADD8
400
#7F80C2
500
#5253AD
600
#42438A
700
#34356F
800
#292A57
900
#212140
950
#151528

Contrast Checker

Text on white

9.04:1

AA Pass AAA Pass

Text on black

2.32:1

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