#4243B4

#4243B4

Color Values

HEX

#4243B4

RGB

66, 67, 180

HSL

239.5, 46.3%, 48.2%

HSV

239.5, 63.3%, 70.6%

CMYK

63.3%, 62.8%, 0.0%, 29.4%

OKLCH

0.4533 0.1745 276.5

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#4243B4

#B4B342

Analogous

#427CB4

#7A42B4

#4243B4

Triadic

#4243B4

#B44243

#43B442

Split Complementary

#4243B4

#B47A42

#7CB442

Tetradic

#4243B4

#B4427C

#B4B342

#42B47A

Color Blindness Simulation

Original

#4243B4

Protanopia

#424299

Deuteranopia

#424292

Tritanopia

#42837E

Achromatopsia

#4B4B4B

CSS Usage

background-color: #4243B4;
color: #4243B4;
border-color: #4243B4;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CBCBEC
300
#A5A6DE
400
#7576CC
500
#4445BB
600
#373895
700
#2C2C77
800
#22235D
900
#1C1D45
950
#12122B

Contrast Checker

Text on white

7.8:1

AA Pass AAA Pass

Text on black

2.69:1

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