#40387F

#40387F

Color Values

HEX

#40387F

RGB

64, 56, 127

HSL

246.8, 38.8%, 35.9%

HSV

246.8, 55.9%, 49.8%

CMYK

49.6%, 55.9%, 0.0%, 50.2%

OKLCH

0.3887 0.1157 284.8

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#40387F

#777F38

Analogous

#38537F

#64387F

#40387F

Triadic

#40387F

#7F4038

#387F40

Split Complementary

#40387F

#7F6438

#537F38

Tetradic

#40387F

#7F3853

#777F38

#387F64

Color Blindness Simulation

Original

#40387F

Protanopia

#3D3C6E

Deuteranopia

#3D3E6A

Tritanopia

#40605D

Achromatopsia

#3F3F3F

CSS Usage

background-color: #40387F;
color: #40387F;
border-color: #40387F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E9E7F3
200
#D1CDE9
300
#AFAADA
400
#847CC5
500
#594EB1
600
#473E8E
700
#393271
800
#2D2758
900
#232041
950
#161429

Contrast Checker

Text on white

10.05:1

AA Pass AAA Pass

Text on black

2.09:1

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