#1C181C

#1C181C

Color Values

HEX

#1C181C

RGB

28, 24, 28

HSL

300.0, 7.7%, 10.2%

HSV

300.0, 14.3%, 11.0%

CMYK

0.0%, 14.3%, 0.0%, 89.0%

OKLCH

0.2154 0.0099 325.9

Properties

Warm Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#1C181C

#181C18

Analogous

#1A181C

#1C181A

#1C181C

Triadic

#1C181C

#1C1C18

#181C1C

Split Complementary

#1C181C

#1A1C18

#181C1A

Tetradic

#1C181C

#1C1A18

#181C18

#181A1C

Color Blindness Simulation

Original

#1C181C

Protanopia

#1A1A1B

Deuteranopia

#1A1B1B

Tritanopia

#1C1A1A

Achromatopsia

#191919

CSS Usage

background-color: #1C181C;
color: #1C181C;
border-color: #1C181C;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F8F7F8
100
#EEECEE
200
#DED9DE
300
#C7BDC7
400
#A899A8
500
#897689
600
#6E5E6E
700
#584B58
800
#453B45
900
#342D34
950
#211C21

Contrast Checker

Text on white

17.55:1

AA Pass AAA Pass

Text on black

1.2:1

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