#211D65

#211D65

Color Values

HEX

#211D65

RGB

33, 29, 101

HSL

243.3, 55.4%, 25.5%

HSV

243.3, 71.3%, 39.6%

CMYK

67.3%, 71.3%, 0.0%, 60.4%

OKLCH

0.2887 0.1217 278.0

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#211D65

#61651D

Analogous

#1D3D65

#451D65

#211D65

Triadic

#211D65

#65211D

#1D6521

Split Complementary

#211D65

#65451D

#3D651D

Tetradic

#211D65

#651D3D

#61651D

#1D6545

Color Blindness Simulation

Original

#211D65

Protanopia

#1F1F54

Deuteranopia

#20204F

Tritanopia

#214643

Achromatopsia

#232323

CSS Usage

background-color: #211D65;
color: #211D65;
border-color: #211D65;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E5F6
200
#CAC8EF
300
#A4A0E4
400
#726CD5
500
#4139C6
600
#342D9F
700
#29247F
800
#201C63
900
#1B1849
950
#110F2E

Contrast Checker

Text on white

14.7:1

AA Pass AAA Pass

Text on black

1.43:1

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