#243C64

#243C64

Color Values

HEX

#243C64

RGB

36, 60, 100

HSL

217.5, 47.1%, 26.7%

HSV

217.5, 64.0%, 39.2%

CMYK

64.0%, 40.0%, 0.0%, 60.8%

OKLCH

0.3577 0.076 260.1

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#243C64

#644C24

Analogous

#245C64

#2C2464

#243C64

Triadic

#243C64

#64243C

#3C6424

Split Complementary

#243C64

#642C24

#5C6424

Tetradic

#243C64

#64245C

#644C24

#24642C

Color Blindness Simulation

Original

#243C64

Protanopia

#2E2F5A

Deuteranopia

#2D2B58

Tritanopia

#255351

Achromatopsia

#3A3A3A

CSS Usage

background-color: #243C64;
color: #243C64;
border-color: #243C64;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F4F7FA
100
#E6EBF4
200
#CAD7EC
300
#A5BBDF
400
#7496CD
500
#4370BC
600
#365A96
700
#2B4878
800
#22385E
900
#1C2B45
950
#121B2C

Contrast Checker

Text on white

11.02:1

AA Pass AAA Pass

Text on black

1.91:1

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