#4040AF

#4040AF

Color Values

HEX

#4040AF

RGB

64, 64, 175

HSL

240.0, 46.4%, 46.9%

HSV

240.0, 63.4%, 68.6%

CMYK

63.4%, 63.4%, 0.0%, 31.4%

OKLCH

0.4423 0.172 276.7

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#4040AF

#AFAF40

Analogous

#4078AF

#7840AF

#4040AF

Triadic

#4040AF

#AF4040

#40AF40

Split Complementary

#4040AF

#AF7840

#78AF40

Tetradic

#4040AF

#AF4078

#AFAF40

#40AF78

Color Blindness Simulation

Original

#4040AF

Protanopia

#404094

Deuteranopia

#40408E

Tritanopia

#407F7A

Achromatopsia

#484848

CSS Usage

background-color: #4040AF;
color: #4040AF;
border-color: #4040AF;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CBCBEC
300
#A5A5DE
400
#7575CC
500
#4444BB
600
#373795
700
#2C2C77
800
#22225D
900
#1C1C45
950
#12122B

Contrast Checker

Text on white

8.17:1

AA Pass AAA Pass

Text on black

2.57:1

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