#211B28

#211B28

Color Values

HEX

#211B28

RGB

33, 27, 40

HSL

267.7, 19.4%, 13.1%

HSV

267.7, 32.5%, 15.7%

CMYK

17.5%, 32.5%, 0.0%, 84.3%

OKLCH

0.2351 0.026 305.5

Properties

Cool Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#211B28

#22281B

Analogous

#1B1B28

#271B28

#211B28

Triadic

#211B28

#28211B

#1B2821

Split Complementary

#211B28

#28271B

#1B281B

Tetradic

#211B28

#281B1B

#22281B

#1B2827

Color Blindness Simulation

Original

#211B28

Protanopia

#1E1E25

Deuteranopia

#1F1F24

Tritanopia

#212222

Achromatopsia

#1D1D1D

CSS Usage

background-color: #211B28;
color: #211B28;
border-color: #211B28;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F7F6F9
100
#EDEAF0
200
#DBD4E2
300
#C1B6CE
400
#9F8EB3
500
#7E6798
600
#64527A
700
#504261
800
#3F334C
900
#302839
950
#1E1924

Contrast Checker

Text on white

16.77:1

AA Pass AAA Pass

Text on black

1.25:1

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