#183E3C

#183E3C

Color Values

HEX

#183E3C

RGB

24, 62, 60

HSL

176.8, 44.2%, 16.9%

HSV

176.8, 61.3%, 24.3%

CMYK

61.3%, 0.0%, 3.2%, 75.7%

OKLCH

0.3358 0.0432 190.7

Properties

Cool Dark Nearest: RAL 6036 Pearl Opal Green

Color Harmonies

Complementary

#183E3C

#3E181A

Analogous

#183E29

#182D3E

#183E3C

Triadic

#183E3C

#3C183E

#3E3C18

Split Complementary

#183E3C

#3E182D

#3E2918

Tetradic

#183E3C

#29183E

#3E181A

#2D3E18

Color Blindness Simulation

Original

#183E3C

Protanopia

#28293C

Deuteranopia

#26233D

Tritanopia

#1A3D3D

Achromatopsia

#363636

CSS Usage

background-color: #183E3C;
color: #183E3C;
border-color: #183E3C;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F4FAFA
100
#E6F4F3
200
#CCEBE9
300
#A7DDDA
400
#77CAC6
500
#47B8B2
600
#39938E
700
#2E7672
800
#245C59
900
#1D4442
950
#122B29

Contrast Checker

Text on white

11.71:1

AA Pass AAA Pass

Text on black

1.79:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026