#311657

#311657

Color Values

HEX

#311657

RGB

49, 22, 87

HSL

264.9, 59.6%, 21.4%

HSV

264.9, 74.7%, 34.1%

CMYK

43.7%, 74.7%, 0.0%, 65.9%

OKLCH

0.2803 0.1107 297.8

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#311657

#3C5716

Analogous

#161C57

#521657

#311657

Triadic

#311657

#573116

#165731

Split Complementary

#311657

#575216

#1C5716

Tetradic

#311657

#57161C

#3C5716

#165752

Color Blindness Simulation

Original

#311657

Protanopia

#252547

Deuteranopia

#272944

Tritanopia

#303B38

Achromatopsia

#202020

CSS Usage

background-color: #311657;
color: #311657;
border-color: #311657;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F7F3FB
100
#ECE4F6
200
#D8C6F1
300
#BC9DE6
400
#9768D9
500
#7334CB
600
#5C29A3
700
#492182
800
#391A66
900
#2C164A
950
#1C0E2F

Contrast Checker

Text on white

15.18:1

AA Pass AAA Pass

Text on black

1.38:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026