#181522

#181522

Color Values

HEX

#181522

RGB

24, 21, 34

HSL

253.8, 23.6%, 10.8%

HSV

253.8, 38.2%, 13.3%

CMYK

29.4%, 38.2%, 0.0%, 86.7%

OKLCH

0.2058 0.0258 294.6

Properties

Cool Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#181522

#1F2215

Analogous

#151922

#1F1522

#181522

Triadic

#181522

#221815

#152218

Split Complementary

#181522

#221F15

#192215

Tetradic

#181522

#221519

#1F2215

#15221F

Color Blindness Simulation

Original

#181522

Protanopia

#17171F

Deuteranopia

#17171E

Tritanopia

#181C1C

Achromatopsia

#171717

CSS Usage

background-color: #181522;
color: #181522;
border-color: #181522;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F7F6F9
100
#EBEAF1
200
#D7D3E4
300
#BAB3D0
400
#958AB7
500
#6F619E
600
#594E7E
700
#473E65
800
#38314F
900
#2B263B
950
#1B1825

Contrast Checker

Text on white

17.96:1

AA Pass AAA Pass

Text on black

1.17:1

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