#23121C

#23121C

Color Values

HEX

#23121C

RGB

35, 18, 28

HSL

324.7, 32.1%, 10.4%

HSV

324.7, 48.6%, 13.7%

CMYK

0.0%, 48.6%, 20.0%, 86.3%

OKLCH

0.2102 0.033 344.1

Properties

Warm Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#23121C

#122319

Analogous

#221223

#231214

#23121C

Triadic

#23121C

#1C2312

#121C23

Split Complementary

#23121C

#142312

#122322

Tetradic

#23121C

#232212

#122319

#121423

Color Blindness Simulation

Original

#23121C

Protanopia

#1C1B1A

Deuteranopia

#1D1E19

Tritanopia

#221817

Achromatopsia

#161616

CSS Usage

background-color: #23121C;
color: #23121C;
border-color: #23121C;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F9F5F8
100
#F2E8EE
200
#E7D0DD
300
#D5AEC5
400
#BF82A6
500
#A85787
600
#87456C
700
#6C3756
800
#542B43
900
#3E2233
950
#271620

Contrast Checker

Text on white

17.88:1

AA Pass AAA Pass

Text on black

1.17:1

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