#183E59

#183E59

Color Values

HEX

#183E59

RGB

24, 62, 89

HSL

204.9, 57.5%, 22.2%

HSV

204.9, 73.0%, 34.9%

CMYK

73.0%, 30.3%, 0.0%, 65.1%

OKLCH

0.3502 0.0638 242.6

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#183E59

#593318

Analogous

#185954

#181E59

#183E59

Triadic

#183E59

#59183E

#3E5918

Split Complementary

#183E59

#59181E

#595418

Tetradic

#183E59

#541859

#593318

#1E5918

Color Blindness Simulation

Original

#183E59

Protanopia

#282952

Deuteranopia

#262351

Tritanopia

#1A4D4C

Achromatopsia

#383838

CSS Usage

background-color: #183E59;
color: #183E59;
border-color: #183E59;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F8FB
100
#E4EFF6
200
#C7DFF0
300
#9FC8E5
400
#6AAAD7
500
#368CC9
600
#2B70A1
700
#235A81
800
#1B4664
900
#17354A
950
#0F212E

Contrast Checker

Text on white

11.22:1

AA Pass AAA Pass

Text on black

1.87:1

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