#223C4D

#223C4D

Color Values

HEX

#223C4D

RGB

34, 60, 77

HSL

203.7, 38.7%, 21.8%

HSV

203.7, 55.8%, 30.2%

CMYK

55.8%, 22.1%, 0.0%, 69.8%

OKLCH

0.3431 0.0438 238.5

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#223C4D

#4D3322

Analogous

#224D49

#22274D

#223C4D

Triadic

#223C4D

#4D223C

#3C4D22

Split Complementary

#223C4D

#4D2227

#4D4922

Tetradic

#223C4D

#49224D

#4D3322

#274D22

Color Blindness Simulation

Original

#223C4D

Protanopia

#2D2D49

Deuteranopia

#2C2A48

Tritanopia

#234645

Achromatopsia

#383838

CSS Usage

background-color: #223C4D;
color: #223C4D;
border-color: #223C4D;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F8FA
100
#E7EEF3
200
#CDDEE9
300
#AAC7D9
400
#7CA8C5
500
#4E8AB1
600
#3F6E8D
700
#325871
800
#274558
900
#203441
950
#142129

Contrast Checker

Text on white

11.53:1

AA Pass AAA Pass

Text on black

1.82:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026