#424587

#424587

Color Values

HEX

#424587

RGB

66, 69, 135

HSL

237.4, 34.3%, 39.4%

HSV

237.4, 51.1%, 52.9%

CMYK

51.1%, 48.9%, 0.0%, 47.1%

OKLCH

0.4223 0.1078 278.8

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#424587

#878442

Analogous

#426787

#614287

#424587

Triadic

#424587

#874245

#458742

Split Complementary

#424587

#876142

#678742

Tetradic

#424587

#874267

#878442

#428761

Color Blindness Simulation

Original

#424587

Protanopia

#434377

Deuteranopia

#434373

Tritanopia

#426A68

Achromatopsia

#494949

CSS Usage

background-color: #424587;
color: #424587;
border-color: #424587;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E8F2
200
#CFD0E8
300
#ADAFD7
400
#8083C1
500
#5458AB
600
#434689
700
#36386E
800
#2A2C56
900
#21233F
950
#151628

Contrast Checker

Text on white

8.63:1

AA Pass AAA Pass

Text on black

2.43:1

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