#223447

#223447

Color Values

HEX

#223447

RGB

34, 52, 71

HSL

210.8, 35.2%, 20.6%

HSV

210.8, 52.1%, 27.8%

CMYK

52.1%, 26.8%, 0.0%, 72.2%

OKLCH

0.3185 0.0415 250.5

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#223447

#473522

Analogous

#224747

#232247

#223447

Triadic

#223447

#472234

#344722

Split Complementary

#223447

#472322

#474722

Tetradic

#223447

#472247

#473522

#224723

Color Blindness Simulation

Original

#223447

Protanopia

#2A2A42

Deuteranopia

#292741

Tritanopia

#233F3E

Achromatopsia

#323232

CSS Usage

background-color: #223447;
color: #223447;
border-color: #223447;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F7FA
100
#E8EDF2
200
#CFDBE8
300
#ACC1D7
400
#7FA0C2
500
#537EAC
600
#42658A
700
#35516E
800
#293F56
900
#213040
950
#151E28

Contrast Checker

Text on white

12.73:1

AA Pass AAA Pass

Text on black

1.65:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026