#40368D

#40368D

Color Values

HEX

#40368D

RGB

64, 54, 141

HSL

246.9, 44.6%, 38.2%

HSV

246.9, 61.7%, 55.3%

CMYK

54.6%, 61.7%, 0.0%, 44.7%

OKLCH

0.3959 0.1387 283.3

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#40368D

#838D36

Analogous

#36578D

#6B368D

#40368D

Triadic

#40368D

#8D4036

#368D40

Split Complementary

#40368D

#8D6B36

#578D36

Tetradic

#40368D

#8D3657

#838D36

#368D6B

Color Blindness Simulation

Original

#40368D

Protanopia

#3C3C78

Deuteranopia

#3C3D73

Tritanopia

#406764

Achromatopsia

#3E3E3E

CSS Usage

background-color: #40368D;
color: #40368D;
border-color: #40368D;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F4FA
100
#E8E6F4
200
#CFCBEB
300
#ADA7DD
400
#8077CB
500
#5447B8
600
#433993
700
#362D76
800
#2A235C
900
#211D44
950
#15122B

Contrast Checker

Text on white

9.86:1

AA Pass AAA Pass

Text on black

2.13:1

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