#312C71

#312C71

Color Values

HEX

#312C71

RGB

49, 44, 113

HSL

244.3, 43.9%, 30.8%

HSV

244.3, 61.1%, 44.3%

CMYK

56.6%, 61.1%, 0.0%, 55.7%

OKLCH

0.3412 0.1151 281.7

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#312C71

#6C712C

Analogous

#2C4A71

#532C71

#312C71

Triadic

#312C71

#71312C

#2C7131

Split Complementary

#312C71

#71532C

#4A712C

Tetradic

#312C71

#712C4A

#6C712C

#2C7153

Color Blindness Simulation

Original

#312C71

Protanopia

#2F2F60

Deuteranopia

#2F305C

Tritanopia

#315350

Achromatopsia

#323232

CSS Usage

background-color: #312C71;
color: #312C71;
border-color: #312C71;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F4FA
100
#E7E6F4
200
#CECCEB
300
#ABA7DD
400
#7D77CA
500
#5048B7
600
#403993
700
#332E75
800
#28245C
900
#201D44
950
#14132B

Contrast Checker

Text on white

12.14:1

AA Pass AAA Pass

Text on black

1.73:1

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