#223548

#223548

Color Values

HEX

#223548

RGB

34, 53, 72

HSL

210.0, 35.8%, 20.8%

HSV

210.0, 52.8%, 28.2%

CMYK

52.8%, 26.4%, 0.0%, 71.8%

OKLCH

0.3217 0.0421 249.3

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#223548

#483522

Analogous

#224848

#222248

#223548

Triadic

#223548

#482235

#354822

Split Complementary

#223548

#482222

#484822

Tetradic

#223548

#482248

#483522

#224822

Color Blindness Simulation

Original

#223548

Protanopia

#2A2A43

Deuteranopia

#292842

Tritanopia

#23403F

Achromatopsia

#323232

CSS Usage

background-color: #223548;
color: #223548;
border-color: #223548;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F7FA
100
#E8EDF3
200
#CFDBE8
300
#ACC2D8
400
#7FA1C2
500
#5280AD
600
#41668B
700
#34526F
800
#294057
900
#213040
950
#151F28

Contrast Checker

Text on white

12.57:1

AA Pass AAA Pass

Text on black

1.67:1

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