#311D41

#311D41

Color Values

HEX

#311D41

RGB

49, 29, 65

HSL

273.3, 38.3%, 18.4%

HSV

273.3, 55.4%, 25.5%

CMYK

24.6%, 55.4%, 0.0%, 74.5%

OKLCH

0.2749 0.0683 308.2

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#311D41

#2D411D

Analogous

#1F1D41

#411D3F

#311D41

Triadic

#311D41

#41311D

#1D4131

Split Complementary

#311D41

#3F411D

#1D411F

Tetradic

#311D41

#411F1D

#2D411D

#1D3F41

Color Blindness Simulation

Original

#311D41

Protanopia

#282838

Deuteranopia

#2A2B36

Tritanopia

#303130

Achromatopsia

#242424

CSS Usage

background-color: #311D41;
color: #311D41;
border-color: #311D41;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F5FA
100
#EEE7F3
200
#DDCEE9
300
#C4AAD9
400
#A57DC5
500
#854FB0
600
#6A3F8D
700
#553271
800
#422758
900
#322041
950
#201429

Contrast Checker

Text on white

15.19:1

AA Pass AAA Pass

Text on black

1.38:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026