#424AB3

#424AB3

Color Values

HEX

#424AB3

RGB

66, 74, 179

HSL

235,8, 46,1%, 48,0%

HSV

235,8, 63,1%, 70,2%

CMYK

63,1%, 58,7%, 0,0%, 29,8%

OKLCH

0,4651 0,1643 274,7

Properties

Cool Dark Nearest: royalblue 3

Color Harmonies

Complementary

#424AB3

#B3AB42

Analogous

#4282B3

#7342B3

#424AB3

Triadic

#424AB3

#B3424A

#4AB342

Split Complementary

#424AB3

#B37342

#82B342

Tetradic

#424AB3

#B34282

#B3AB42

#42B373

Color Blindness Simulation

Original

#424AB3

Protanopia

#45469A

Deuteranopia

#454494

Tritanopia

#428681

Achromatopsia

#505050

CSS Usage

background-color: #424AB3;
color: #424AB3;
border-color: #424AB3;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCDEC
300
#A6AADE
400
#757BCC
500
#454DBA
600
#373E95
700
#2C3177
800
#22265D
900
#1C1F45
950
#12142B

Contrast Checker

Text on white

7,34:1

AA Pass AAA Pass

Text on black

2,86:1

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