#182137

#182137

Color Values

HEX

#182137

RGB

24, 33, 55

HSL

222.6, 39.2%, 15.5%

HSV

222.6, 56.4%, 21.6%

CMYK

56.4%, 40.0%, 0.0%, 78.4%

OKLCH

0.2509 0.0439 266.4

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#182137

#372E18

Analogous

#183137

#1F1837

#182137

Triadic

#182137

#371821

#213718

Split Complementary

#182137

#371F18

#313718

Tetradic

#182137

#371831

#372E18

#18371F

Color Blindness Simulation

Original

#182137

Protanopia

#1C1C32

Deuteranopia

#1B1B30

Tritanopia

#182D2D

Achromatopsia

#212121

CSS Usage

background-color: #182137;
color: #182137;
border-color: #182137;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F6FA
100
#E7EBF3
200
#CDD5E9
300
#AAB8DA
400
#7C91C6
500
#4E6BB1
600
#3E558E
700
#324472
800
#273559
900
#1F2942
950
#141A29

Contrast Checker

Text on white

16.01:1

AA Pass AAA Pass

Text on black

1.31:1

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