#223147

#223147

Color Values

HEX

#223147

RGB

34, 49, 71

HSL

215.7, 35.2%, 20.6%

HSV

215.7, 52.1%, 27.8%

CMYK

52.1%, 31.0%, 0.0%, 72.2%

OKLCH

0.3106 0.0447 257.8

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#223147

#473822

Analogous

#224447

#262247

#223147

Triadic

#223147

#472231

#314722

Split Complementary

#223147

#472622

#444722

Tetradic

#223147

#472244

#473822

#224726

Color Blindness Simulation

Original

#223147

Protanopia

#282942

Deuteranopia

#282640

Tritanopia

#233D3D

Achromatopsia

#2F2F2F

CSS Usage

background-color: #223147;
color: #223147;
border-color: #223147;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F7FA
100
#E8ECF2
200
#CFD9E8
300
#ACBED7
400
#7F9AC2
500
#5377AC
600
#425F8A
700
#354C6E
800
#293B56
900
#212E40
950
#151D28

Contrast Checker

Text on white

13.14:1

AA Pass AAA Pass

Text on black

1.6:1

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