#183A3C

#183A3C

Color Values

HEX

#183A3C

RGB

24, 58, 60

HSL

183.3, 42.9%, 16.5%

HSV

183.3, 60.0%, 23.5%

CMYK

60.0%, 3.3%, 0.0%, 76.5%

OKLCH

0.3241 0.0396 200.5

Properties

Cool Dark Nearest: RAL 6036 Pearl Opal Green

Color Harmonies

Complementary

#183A3C

#3C1A18

Analogous

#183C2C

#18283C

#183A3C

Triadic

#183A3C

#3C183A

#3A3C18

Split Complementary

#183A3C

#3C1828

#3C2C18

Tetradic

#183A3C

#2C183C

#3C1A18

#283C18

Color Blindness Simulation

Original

#183A3C

Protanopia

#27273C

Deuteranopia

#25223B

Tritanopia

#1A3B3B

Achromatopsia

#333333

CSS Usage

background-color: #183A3C;
color: #183A3C;
border-color: #183A3C;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F5FAFA
100
#E7F3F4
200
#CCE9EB
300
#A8D9DC
400
#78C5C9
500
#49B0B6
600
#3A8D92
700
#2F7175
800
#24585B
900
#1E4143
950
#13292A

Contrast Checker

Text on white

12.29:1

AA Pass AAA Pass

Text on black

1.71:1

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