#211B40

#211B40

Color Values

HEX

#211B40

RGB

33, 27, 64

HSL

249.7, 40.7%, 17.8%

HSV

249.7, 57.8%, 25.1%

CMYK

48.4%, 57.8%, 0.0%, 74.9%

OKLCH

0.2511 0.0677 288.0

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#211B40

#3A401B

Analogous

#1B2740

#331B40

#211B40

Triadic

#211B40

#40211B

#1B4021

Split Complementary

#211B40

#40331B

#27401B

Tetradic

#211B40

#401B27

#3A401B

#1B4033

Color Blindness Simulation

Original

#211B40

Protanopia

#1E1E37

Deuteranopia

#1F1F35

Tritanopia

#21302E

Achromatopsia

#1F1F1F

CSS Usage

background-color: #211B40;
color: #211B40;
border-color: #211B40;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F6F5FA
100
#E9E7F3
200
#D1CDEA
300
#B1A9DB
400
#877AC7
500
#5C4CB3
600
#4A3C90
700
#3B3073
800
#2E265A
900
#241F42
950
#17132A

Contrast Checker

Text on white

16.21:1

AA Pass AAA Pass

Text on black

1.3:1

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