#211D25

#211D25

Color Values

HEX

#211D25

RGB

33, 29, 37

HSL

270.0, 12.1%, 12.9%

HSV

270.0, 21.6%, 14.5%

CMYK

10.8%, 21.6%, 0.0%, 85.5%

OKLCH

0.2388 0.0161 307.7

Properties

Cool Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#211D25

#21251D

Analogous

#1D1D25

#251D25

#211D25

Triadic

#211D25

#25211D

#1D2521

Split Complementary

#211D25

#25251D

#1D251D

Tetradic

#211D25

#251D1D

#21251D

#1D2525

Color Blindness Simulation

Original

#211D25

Protanopia

#1F1F23

Deuteranopia

#202023

Tritanopia

#212221

Achromatopsia

#1E1E1E

CSS Usage

background-color: #211D25;
color: #211D25;
border-color: #211D25;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F7F7F8
100
#EDEBEF
200
#DBD7E0
300
#C2BAC9
400
#A195AC
500
#80708F
600
#665A72
700
#52485B
800
#403847
900
#302B36
950
#1F1B22

Contrast Checker

Text on white

16.57:1

AA Pass AAA Pass

Text on black

1.27:1

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