#18101D

#18101D

Color Values

HEX

#18101D

RGB

24, 16, 29

HSL

276.9, 28.9%, 8.8%

HSV

276.9, 44.8%, 11.4%

CMYK

17.2%, 44.8%, 0.0%, 88.6%

OKLCH

0.1899 0.0283 311.9

Properties

Cool Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#18101D

#151D10

Analogous

#11101D

#1D101B

#18101D

Triadic

#18101D

#1D1810

#101D18

Split Complementary

#18101D

#1B1D10

#101D11

Tetradic

#18101D

#1D1110

#151D10

#101B1D

Color Blindness Simulation

Original

#18101D

Protanopia

#15141A

Deuteranopia

#151619

Tritanopia

#181717

Achromatopsia

#131313

CSS Usage

background-color: #18101D;
color: #18101D;
border-color: #18101D;
Nearest Tailwind: Slate 950 #020617

Tailwind Shades

50
#F8F5F9
100
#EEE9F2
200
#DED1E6
300
#C6B0D3
400
#A785BC
500
#885BA4
600
#6D4983
700
#573A69
800
#442D52
900
#33243D
950
#201727

Contrast Checker

Text on white

18.57:1

AA Pass AAA Pass

Text on black

1.13:1

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