#311653

#311653

Color Values

HEX

#311653

RGB

49, 22, 83

HSL

266.6, 58.1%, 20.6%

HSV

266.6, 73.5%, 32.5%

CMYK

41.0%, 73.5%, 0.0%, 67.5%

OKLCH

0.2767 0.1055 299.8

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#311653

#385316

Analogous

#161953

#501653

#311653

Triadic

#311653

#533116

#165331

Split Complementary

#311653

#535016

#195316

Tetradic

#311653

#531619

#385316

#165350

Color Blindness Simulation

Original

#311653

Protanopia

#252544

Deuteranopia

#272941

Tritanopia

#303936

Achromatopsia

#202020

CSS Usage

background-color: #311653;
color: #311653;
border-color: #311653;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F4FB
100
#ECE4F6
200
#D9C7F0
300
#BE9EE5
400
#9A6AD7
500
#7735CA
600
#5F2BA1
700
#4C2281
800
#3C1B65
900
#2E174A
950
#1D0F2F

Contrast Checker

Text on white

15.33:1

AA Pass AAA Pass

Text on black

1.37:1

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