#201B21

#201B21

Color Values

HEX

#201B21

RGB

32, 27, 33

HSL

290.0, 10.0%, 11.8%

HSV

290.0, 18.2%, 12.9%

CMYK

3.0%, 18.2%, 0.0%, 87.1%

OKLCH

0.2305 0.0136 320.6

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#201B21

#1C211B

Analogous

#1D1B21

#211B1F

#201B21

Triadic

#201B21

#21201B

#1B2120

Split Complementary

#201B21

#1F211B

#1B211D

Tetradic

#201B21

#211D1B

#1C211B

#1B1F21

Color Blindness Simulation

Original

#201B21

Protanopia

#1E1E20

Deuteranopia

#1E1E1F

Tritanopia

#201E1E

Achromatopsia

#1C1C1C

CSS Usage

background-color: #201B21;
color: #201B21;
border-color: #201B21;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F8F7F8
100
#EEECEF
200
#DED8DF
300
#C6BCC8
400
#A797AA
500
#88738C
600
#6D5C70
700
#57495A
800
#443946
900
#332C35
950
#201C21

Contrast Checker

Text on white

16.93:1

AA Pass AAA Pass

Text on black

1.24:1

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