#183041

#183041

Color Values

HEX

#183041

RGB

24, 48, 65

HSL

204.9, 46.1%, 17.5%

HSV

204.9, 63.1%, 25.5%

CMYK

63.1%, 26.2%, 0.0%, 74.5%

OKLCH

0.2981 0.0432 241.1

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#183041

#412918

Analogous

#18413E

#181C41

#183041

Triadic

#183041

#411830

#304118

Split Complementary

#183041

#41181C

#413E18

Tetradic

#183041

#3E1841

#412918

#1C4118

Color Blindness Simulation

Original

#183041

Protanopia

#22233D

Deuteranopia

#211F3C

Tritanopia

#193A39

Achromatopsia

#2C2C2C

CSS Usage

background-color: #183041;
color: #183041;
border-color: #183041;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CBDEEC
300
#A6C7DE
400
#75A8CC
500
#4589BA
600
#376E95
700
#2C5877
800
#22455D
900
#1C3445
950
#12212B

Contrast Checker

Text on white

13.65:1

AA Pass AAA Pass

Text on black

1.54:1

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