#223C56

#223C56

Color Values

HEX

#223C56

RGB

34, 60, 86

HSL

210.0, 43.3%, 23.5%

HSV

210.0, 60.5%, 33.7%

CMYK

60.5%, 30.2%, 0.0%, 66.3%

OKLCH

0.348 0.0559 249.7

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#223C56

#563C22

Analogous

#225656

#222256

#223C56

Triadic

#223C56

#56223C

#3C5622

Split Complementary

#223C56

#562222

#565622

Tetradic

#223C56

#562256

#563C22

#225622

Color Blindness Simulation

Original

#223C56

Protanopia

#2D2D50

Deuteranopia

#2C2A4E

Tritanopia

#234B4A

Achromatopsia

#383838

CSS Usage

background-color: #223C56;
color: #223C56;
border-color: #223C56;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F7FA
100
#E7EDF4
200
#CCDBEB
300
#A7C2DC
400
#78A1CA
500
#4880B7
600
#3A6692
700
#2E5275
800
#24405B
900
#1E3043
950
#131F2B

Contrast Checker

Text on white

11.36:1

AA Pass AAA Pass

Text on black

1.85:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026