#181D17

#181D17

Color Values

HEX

#181D17

RGB

24, 29, 23

HSL

110.0, 11.5%, 10.2%

HSV

110.0, 20.7%, 11.4%

CMYK

17.2%, 0.0%, 20.7%, 88.6%

OKLCH

0.2233 0.0137 140.4

Properties

Cool Dark Nearest: RAL 9011 Graphite Black

Color Harmonies

Complementary

#181D17

#1C171D

Analogous

#1B1D17

#171D19

#181D17

Triadic

#181D17

#17181D

#1D1718

Split Complementary

#181D17

#19171D

#1D171B

Tetradic

#181D17

#171B1D

#1C171D

#1D1917

Color Blindness Simulation

Original

#181D17

Protanopia

#1A1A18

Deuteranopia

#1A1919

Tritanopia

#181A1A

Achromatopsia

#1C1C1C

CSS Usage

background-color: #181D17;
color: #181D17;
border-color: #181D17;
Nearest Tailwind: Stone 900 #1C1917

Tailwind Shades

50
#F7F8F7
100
#ECEFEB
200
#D9DFD7
300
#BDC9BB
400
#99AC96
500
#768E71
600
#5E725A
700
#4B5B48
800
#3B4738
900
#2D352B
950
#1C221B

Contrast Checker

Text on white

17.12:1

AA Pass AAA Pass

Text on black

1.23:1

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