#223F58

#223F58

Color Values

HEX

#223F58

RGB

34, 63, 88

HSL

207.8, 44.3%, 23.9%

HSV

207.8, 61.4%, 34.5%

CMYK

61.4%, 28.4%, 0.0%, 65.5%

OKLCH

0.357 0.056 246.2

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#223F58

#583B22

Analogous

#225856

#222458

#223F58

Triadic

#223F58

#58223F

#3F5822

Split Complementary

#223F58

#582224

#585622

Tetradic

#223F58

#562258

#583B22

#245822

Color Blindness Simulation

Original

#223F58

Protanopia

#2F2F52

Deuteranopia

#2D2B50

Tritanopia

#234D4C

Achromatopsia

#3B3B3B

CSS Usage

background-color: #223F58;
color: #223F58;
border-color: #223F58;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CBDCEB
300
#A7C4DD
400
#77A4CA
500
#4784B8
600
#396993
700
#2D5476
800
#24425C
900
#1D3244
950
#121F2B

Contrast Checker

Text on white

10.94:1

AA Pass AAA Pass

Text on black

1.92:1

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