#1B182C

#1B182C

Color Values

HEX

#1B182C

RGB

27, 24, 44

HSL

249.0, 29.4%, 13.3%

HSV

249.0, 45.5%, 17.3%

CMYK

38.6%, 45.5%, 0.0%, 82.7%

OKLCH

0.2231 0.0385 289.8

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#1B182C

#292C18

Analogous

#181F2C

#25182C

#1B182C

Triadic

#1B182C

#2C1B18

#182C1B

Split Complementary

#1B182C

#2C2518

#1F2C18

Tetradic

#1B182C

#2C181F

#292C18

#182C25

Color Blindness Simulation

Original

#1B182C

Protanopia

#1A1A27

Deuteranopia

#1A1A26

Tritanopia

#1B2322

Achromatopsia

#1A1A1A

CSS Usage

background-color: #1B182C;
color: #1B182C;
border-color: #1B182C;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F6F5F9
100
#EAE9F2
200
#D4D1E6
300
#B5B0D4
400
#8D85BC
500
#655AA5
600
#514884
700
#413A6A
800
#332D52
900
#27243D
950
#191727

Contrast Checker

Text on white

17.3:1

AA Pass AAA Pass

Text on black

1.21:1

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