#183E40

#183E40

Color Values

HEX

#183E40

RGB

24, 62, 64

HSL

183.0, 45.5%, 17.3%

HSV

183.0, 62.5%, 25.1%

CMYK

62.5%, 3.1%, 0.0%, 74.9%

OKLCH

0.3375 0.043 200.0

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#183E40

#401A18

Analogous

#18402E

#182A40

#183E40

Triadic

#183E40

#40183E

#3E4018

Split Complementary

#183E40

#40182A

#402E18

Tetradic

#183E40

#2E1840

#401A18

#2A4018

Color Blindness Simulation

Original

#183E40

Protanopia

#282940

Deuteranopia

#26233F

Tritanopia

#1A3F3F

Achromatopsia

#363636

CSS Usage

background-color: #183E40;
color: #183E40;
border-color: #183E40;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F4FAFA
100
#E6F3F4
200
#CBEAEC
300
#A6DBDE
400
#76C7CC
500
#45B4BA
600
#389094
700
#2C7377
800
#235A5D
900
#1D4244
950
#122A2B

Contrast Checker

Text on white

11.65:1

AA Pass AAA Pass

Text on black

1.8:1

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