#181F1C

#181F1C

Color Values

HEX

#181F1C

RGB

24, 31, 28

HSL

154.3, 12.7%, 10.8%

HSV

154.3, 22.6%, 12.2%

CMYK

22.6%, 0.0%, 9.7%, 87.8%

OKLCH

0.2311 0.0118 167.5

Properties

Cool Dark Nearest: RAL 9017 Traffic Black

Color Harmonies

Complementary

#181F1C

#1F181B

Analogous

#181F19

#181F1F

#181F1C

Triadic

#181F1C

#1C181F

#1F1C18

Split Complementary

#181F1C

#1F181F

#1F1918

Tetradic

#181F1C

#19181F

#1F181B

#1F1F18

Color Blindness Simulation

Original

#181F1C

Protanopia

#1B1B1D

Deuteranopia

#1B1A1D

Tritanopia

#181D1D

Achromatopsia

#1D1D1D

CSS Usage

background-color: #181F1C;
color: #181F1C;
border-color: #181F1C;
Nearest Tailwind: Neutral 900 #171717

Tailwind Shades

50
#F7F8F7
100
#EBEFED
200
#D7E0DC
300
#BACAC3
400
#95ADA2
500
#6F9082
600
#597368
700
#475C53
800
#384841
900
#2B3631
950
#1B221F

Contrast Checker

Text on white

16.78:1

AA Pass AAA Pass

Text on black

1.25:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026