#17181D

#17181D

Color Values

HEX

#17181D

RGB

23, 24, 29

HSL

230.0, 11.5%, 10.2%

HSV

230.0, 20.7%, 11.4%

CMYK

20.7%, 17.2%, 0.0%, 88.6%

OKLCH

0.2102 0.01 276.6

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#17181D

#1D1C17

Analogous

#171B1D

#19171D

#17181D

Triadic

#17181D

#1D1718

#181D17

Split Complementary

#17181D

#1D1917

#1B1D17

Tetradic

#17181D

#1D171B

#1D1C17

#171D19

Color Blindness Simulation

Original

#17181D

Protanopia

#17171C

Deuteranopia

#17171B

Tritanopia

#171B1B

Achromatopsia

#181818

CSS Usage

background-color: #17181D;
color: #17181D;
border-color: #17181D;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F7F7F8
100
#EBECEF
200
#D7D9DF
300
#BBBDC9
400
#9699AC
500
#71768E
600
#5A5E72
700
#484B5B
800
#383B47
900
#2B2D35
950
#1B1C22

Contrast Checker

Text on white

17.72:1

AA Pass AAA Pass

Text on black

1.18:1

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