#3B3C99

#3B3C99

Color Values

HEX

#3B3C99

RGB

59, 60, 153

HSL

239.4, 44.3%, 41.6%

HSV

239.4, 61.4%, 60.0%

CMYK

61.4%, 60.8%, 0.0%, 40.0%

OKLCH

0.4129 0.1483 277.2

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#3B3C99

#99983B

Analogous

#3B6B99

#693B99

#3B3C99

Triadic

#3B3C99

#993B3C

#3C993B

Split Complementary

#3B3C99

#99693B

#6B993B

Tetradic

#3B3C99

#993B6B

#99983B

#3B9969

Color Blindness Simulation

Original

#3B3C99

Protanopia

#3B3B83

Deuteranopia

#3B3B7D

Tritanopia

#3B716D

Achromatopsia

#434343

CSS Usage

background-color: #3B3C99;
color: #3B3C99;
border-color: #3B3C99;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCCEB
300
#A7A7DD
400
#7778CA
500
#4748B8
600
#393A93
700
#2D2E76
800
#24245C
900
#1D1E44
950
#12132B

Contrast Checker

Text on white

9.16:1

AA Pass AAA Pass

Text on black

2.29:1

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