#31338D

#31338D

Color Values

HEX

#31338D

RGB

49, 51, 141

HSL

238.7, 48.4%, 37.3%

HSV

238.7, 65.2%, 55.3%

CMYK

65.2%, 63.8%, 0.0%, 44.7%

OKLCH

0.3786 0.1457 275.9

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#31338D

#8D8B31

Analogous

#31618D

#5D318D

#31338D

Triadic

#31338D

#8D3133

#338D31

Split Complementary

#31338D

#8D5D31

#618D31

Tetradic

#31338D

#8D3161

#8D8B31

#318D5D

Color Blindness Simulation

Original

#31338D

Protanopia

#323277

Deuteranopia

#323272

Tritanopia

#316662

Achromatopsia

#393939

CSS Usage

background-color: #31338D;
color: #31338D;
border-color: #31338D;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CACBED
300
#A4A5DF
400
#7375CE
500
#4244BD
600
#353797
700
#2A2C79
800
#21225F
900
#1B1C46
950
#11122C

Contrast Checker

Text on white

10.56:1

AA Pass AAA Pass

Text on black

1.99:1

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