#181D19

#181D19

Color Values

HEX

#181D19

RGB

24, 29, 25

HSL

132.0, 9.4%, 10.4%

HSV

132.0, 17.2%, 11.4%

CMYK

17.2%, 0.0%, 13.8%, 88.6%

OKLCH

0.224 0.0107 151.3

Properties

Cool Dark Nearest: RAL 9011 Graphite Black

Color Harmonies

Complementary

#181D19

#1D181C

Analogous

#1A1D18

#181D1C

#181D19

Triadic

#181D19

#19181D

#1D1918

Split Complementary

#181D19

#1C181D

#1D181A

Tetradic

#181D19

#181A1D

#1D181C

#1D1C18

Color Blindness Simulation

Original

#181D19

Protanopia

#1A1A1A

Deuteranopia

#1A191A

Tritanopia

#181B1B

Achromatopsia

#1C1C1C

CSS Usage

background-color: #181D19;
color: #181D19;
border-color: #181D19;
Nearest Tailwind: Stone 900 #1C1917

Tailwind Shades

50
#F7F8F7
100
#ECEFEC
200
#D8DFD9
300
#BCC8BE
400
#98AA9B
500
#748B78
600
#5C7060
700
#4A594D
800
#3A463C
900
#2C352E
950
#1C211D

Contrast Checker

Text on white

17.09:1

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