#243780

#243780

Color Values

HEX

#243780

RGB

36, 55, 128

HSL

227.6, 56.1%, 32.2%

HSV

227.6, 71.9%, 50.2%

CMYK

71.9%, 57.0%, 0.0%, 49.8%

OKLCH

0.3671 0.1254 268.5

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#243780

#806D24

Analogous

#246580

#3F2480

#243780

Triadic

#243780

#802437

#378024

Split Complementary

#243780

#803F24

#658024

Tetradic

#243780

#802465

#806D24

#24803F

Color Blindness Simulation

Original

#243780

Protanopia

#2C2C6E

Deuteranopia

#2B2A6A

Tritanopia

#25605D

Achromatopsia

#383838

CSS Usage

background-color: #243780;
color: #243780;
border-color: #243780;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FB
100
#E5E8F6
200
#C7D0EF
300
#9FAEE4
400
#6C82D6
500
#3856C7
600
#2D449F
700
#24377F
800
#1C2B64
900
#182249
950
#0F162E

Contrast Checker

Text on white

10.86:1

AA Pass AAA Pass

Text on black

1.93:1

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