#223F6B

#223F6B

Color Values

HEX

#223F6B

RGB

34, 63, 107

HSL

216.2, 51.8%, 27.6%

HSV

216.2, 68.2%, 42.0%

CMYK

68.2%, 41.1%, 0.0%, 58.0%

OKLCH

0.3687 0.0839 258.5

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#223F6B

#6B4E22

Analogous

#22636B

#29226B

#223F6B

Triadic

#223F6B

#6B223F

#3F6B22

Split Complementary

#223F6B

#6B2922

#636B22

Tetradic

#223F6B

#6B2263

#6B4E22

#226B29

Color Blindness Simulation

Original

#223F6B

Protanopia

#2F2F60

Deuteranopia

#2D2B5E

Tritanopia

#235856

Achromatopsia

#3C3C3C

CSS Usage

background-color: #223F6B;
color: #223F6B;
border-color: #223F6B;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F7FB
100
#E5ECF5
200
#C9D7EE
300
#A2BBE2
400
#7097D2
500
#3D72C2
600
#315B9B
700
#27497C
800
#1F3961
900
#1A2C47
950
#101C2D

Contrast Checker

Text on white

10.55:1

AA Pass AAA Pass

Text on black

1.99:1

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