#21232C

#21232C

Color Values

HEX

#21232C

RGB

33, 35, 44

HSL

229.1, 14.3%, 15.1%

HSV

229.1, 25.0%, 17.3%

CMYK

25.0%, 20.5%, 0.0%, 82.7%

OKLCH

0.258 0.0172 275.3

Properties

Cool Dark Nearest: RAL 5008 Grey Blue

Color Harmonies

Complementary

#21232C

#2C2A21

Analogous

#21292C

#25212C

#21232C

Triadic

#21232C

#2C2123

#232C21

Split Complementary

#21232C

#2C2521

#292C21

Tetradic

#21232C

#2C2129

#2C2A21

#212C25

Color Blindness Simulation

Original

#21232C

Protanopia

#22222A

Deuteranopia

#222229

Tritanopia

#212828

Achromatopsia

#232323

CSS Usage

background-color: #21232C;
color: #21232C;
border-color: #21232C;
Nearest Tailwind: Zinc 800 #27272A

Tailwind Shades

50
#F6F7F8
100
#EBECEF
200
#D6D8E0
300
#B9BCCB
400
#9398AE
500
#6D7492
600
#575D75
700
#464A5D
800
#373A49
900
#2A2C37
950
#1B1C23

Contrast Checker

Text on white

15.65:1

AA Pass AAA Pass

Text on black

1.34:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026