#21242C

#21242C

Color Values

HEX

#21242C

RGB

33, 36, 44

HSL

223.6, 14.3%, 15.1%

HSV

223.6, 25.0%, 17.3%

CMYK

25.0%, 18.2%, 0.0%, 82.7%

OKLCH

0.2607 0.0156 269.1

Properties

Cool Dark Nearest: RAL 5008 Grey Blue

Color Harmonies

Complementary

#21242C

#2C2921

Analogous

#212A2C

#23212C

#21242C

Triadic

#21242C

#2C2124

#242C21

Split Complementary

#21242C

#2C2321

#2A2C21

Tetradic

#21242C

#2C212A

#2C2921

#212C23

Color Blindness Simulation

Original

#21242C

Protanopia

#22222A

Deuteranopia

#22222A

Tritanopia

#212928

Achromatopsia

#242424

CSS Usage

background-color: #21242C;
color: #21242C;
border-color: #21242C;
Nearest Tailwind: Zinc 800 #27272A

Tailwind Shades

50
#F6F7F8
100
#EBECEF
200
#D6D9E0
300
#B9BECB
400
#939BAE
500
#6D7792
600
#575F75
700
#464C5D
800
#373C49
900
#2A2E37
950
#1B1D23

Contrast Checker

Text on white

15.52:1

AA Pass AAA Pass

Text on black

1.35:1

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