#181A2C

#181A2C

Color Values

HEX

#181A2C

RGB

24, 26, 44

HSL

234.0, 29.4%, 13.3%

HSV

234.0, 45.5%, 17.3%

CMYK

45.5%, 40.9%, 0.0%, 82.7%

OKLCH

0.2252 0.0351 278.3

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#181A2C

#2C2A18

Analogous

#18242C

#20182C

#181A2C

Triadic

#181A2C

#2C181A

#1A2C18

Split Complementary

#181A2C

#2C2018

#242C18

Tetradic

#181A2C

#2C1824

#2C2A18

#182C20

Color Blindness Simulation

Original

#181A2C

Protanopia

#191928

Deuteranopia

#191927

Tritanopia

#182423

Achromatopsia

#1B1B1B

CSS Usage

background-color: #181A2C;
color: #181A2C;
border-color: #181A2C;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F6F9
100
#E9EAF2
200
#D1D3E6
300
#B0B3D4
400
#858ABC
500
#5A62A5
600
#484E84
700
#3A3E6A
800
#2D3152
900
#24263D
950
#171827

Contrast Checker

Text on white

17.17:1

AA Pass AAA Pass

Text on black

1.22:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026