#181F2D

#181F2D

Color Values

HEX

#181F2D

RGB

24, 31, 45

HSL

220.0, 30.4%, 13.5%

HSV

220.0, 46.7%, 17.6%

CMYK

46.7%, 31.1%, 0.0%, 82.4%

OKLCH

0.2393 0.0289 263.8

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#181F2D

#2D2618

Analogous

#18292D

#1B182D

#181F2D

Triadic

#181F2D

#2D181F

#1F2D18

Split Complementary

#181F2D

#2D1B18

#292D18

Tetradic

#181F2D

#2D1829

#2D2618

#182D1B

Color Blindness Simulation

Original

#181F2D

Protanopia

#1B1B2A

Deuteranopia

#1B1A29

Tritanopia

#182726

Achromatopsia

#1F1F1F

CSS Usage

background-color: #181F2D;
color: #181F2D;
border-color: #181F2D;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F5F7F9
100
#E9ECF2
200
#D0D8E6
300
#AFBCD4
400
#8497BD
500
#5973A6
600
#475C85
700
#39496A
800
#2C3953
900
#232C3E
950
#161C27

Contrast Checker

Text on white

16.5:1

AA Pass AAA Pass

Text on black

1.27:1

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