#3729BE

#3729BE

Color Values

HEX

#3729BE

RGB

55, 41, 190

HSL

245.6, 64.5%, 45.3%

HSV

245.6, 78.4%, 74.5%

CMYK

71.1%, 78.4%, 0.0%, 25.5%

OKLCH

0.4166 0.2172 275.6

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#3729BE

#B0BE29

Analogous

#2966BE

#8129BE

#3729BE

Triadic

#3729BE

#BE3729

#29BE37

Split Complementary

#3729BE

#BE8129

#66BE29

Tetradic

#3729BE

#BE2966

#B0BE29

#29BE81

Color Blindness Simulation

Original

#3729BE

Protanopia

#31319A

Deuteranopia

#323391

Tritanopia

#367D77

Achromatopsia

#373737

CSS Usage

background-color: #3729BE;
color: #3729BE;
border-color: #3729BE;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F3FC
100
#E5E3F7
200
#C9C4F2
300
#A29AE9
400
#6F64DE
500
#3D2DD2
600
#3024A8
700
#271D86
800
#1E1769
900
#1A144D
950
#100D30

Contrast Checker

Text on white

9.45:1

AA Pass AAA Pass

Text on black

2.22:1

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