#40367C

#40367C

Color Values

HEX

#40367C

RGB

64, 54, 124

HSL

248,6, 39,3%, 34,9%

HSV

248,6, 56,5%, 48,6%

CMYK

48,4%, 56,5%, 0,0%, 51,4%

OKLCH

0,3826 0,1144 286,2

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#40367C

#727C36

Analogous

#364F7C

#63367C

#40367C

Triadic

#40367C

#7C4036

#367C40

Split Complementary

#40367C

#7C6336

#4F7C36

Tetradic

#40367C

#7C364F

#727C36

#367C63

Color Blindness Simulation

Original

#40367C

Protanopia

#3C3C6B

Deuteranopia

#3C3D67

Tritanopia

#405E5B

Achromatopsia

#3D3D3D

CSS Usage

background-color: #40367C;
color: #40367C;
border-color: #40367C;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F6F5FA
100
#E9E7F3
200
#D1CDE9
300
#B1AADA
400
#867CC6
500
#5C4DB2
600
#493E8E
700
#3B3272
800
#2E2759
900
#241F42
950
#171429

Contrast Checker

Text on white

10,31:1

AA Pass AAA Pass

Text on black

2,04:1

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