#3D40CB

#3D40CB

Color Values

HEX

#3D40CB

RGB

61, 64, 203

HSL

238.7, 57.7%, 51.8%

HSV

238.7, 70.0%, 79.6%

CMYK

70.0%, 68.5%, 0.0%, 20.4%

OKLCH

0.4657 0.2088 273.8

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3D40CB

#CBC83D

Analogous

#3D87CB

#813DCB

#3D40CB

Triadic

#3D40CB

#CB3D40

#40CB3D

Split Complementary

#3D40CB

#CB813D

#87CB3D

Tetradic

#3D40CB

#CB3D87

#CBC83D

#3DCB81

Color Blindness Simulation

Original

#3D40CB

Protanopia

#3E3EA9

Deuteranopia

#3E3EA1

Tritanopia

#3D8F89

Achromatopsia

#494949

CSS Usage

background-color: #3D40CB;
color: #3D40CB;
border-color: #3D40CB;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F4FB
100
#E4E5F6
200
#C7C8F0
300
#9EA0E5
400
#6A6DD7
500
#3639C9
600
#2B2EA1
700
#232581
800
#1B1D65
900
#17184A
950
#0F0F2E

Contrast Checker

Text on white

7.52:1

AA Pass AAA Pass

Text on black

2.79:1

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