#183A3D

#183A3D

Color Values

HEX

#183A3D

RGB

24, 58, 61

HSL

184.9, 43.5%, 16.7%

HSV

184.9, 60.7%, 23.9%

CMYK

60.7%, 4.9%, 0.0%, 76.1%

OKLCH

0.3246 0.0397 203.1

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#183A3D

#3D1B18

Analogous

#183D2E

#18283D

#183A3D

Triadic

#183A3D

#3D183A

#3A3D18

Split Complementary

#183A3D

#3D1828

#3D2E18

Tetradic

#183A3D

#2E183D

#3D1B18

#283D18

Color Blindness Simulation

Original

#183A3D

Protanopia

#27273C

Deuteranopia

#25223C

Tritanopia

#1A3C3C

Achromatopsia

#333333

CSS Usage

background-color: #183A3D;
color: #183A3D;
border-color: #183A3D;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F5FAFA
100
#E7F3F4
200
#CCE8EB
300
#A7D8DC
400
#78C3CA
500
#48AEB7
600
#3A8B92
700
#2E6F75
800
#24575B
900
#1D4043
950
#13292B

Contrast Checker

Text on white

12.27:1

AA Pass AAA Pass

Text on black

1.71:1

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