#313186

#313186

Color Values

HEX

#313186

RGB

49, 49, 134

HSL

240.0, 46.4%, 35.9%

HSV

240.0, 63.4%, 52.5%

CMYK

63.4%, 63.4%, 0.0%, 47.5%

OKLCH

0.3687 0.1385 277.2

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#313186

#868631

Analogous

#315C86

#5C3186

#313186

Triadic

#313186

#863131

#318631

Split Complementary

#313186

#865C31

#5C8631

Tetradic

#313186

#86315C

#868631

#31865C

Color Blindness Simulation

Original

#313186

Protanopia

#313171

Deuteranopia

#31316C

Tritanopia

#31615E

Achromatopsia

#373737

CSS Usage

background-color: #313186;
color: #313186;
border-color: #313186;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CBCBEC
300
#A5A5DE
400
#7575CC
500
#4444BB
600
#373795
700
#2C2C77
800
#22225D
900
#1C1C45
950
#12122B

Contrast Checker

Text on white

10.97:1

AA Pass AAA Pass

Text on black

1.91:1

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