#24283B

#24283B

Color Values

HEX

#24283B

RGB

36, 40, 59

HSL

229.6, 24.2%, 18.6%

HSV

229.6, 39.0%, 23.1%

CMYK

39.0%, 32.2%, 0.0%, 76.9%

OKLCH

0.2819 0.0355 274.7

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#24283B

#3B3724

Analogous

#24333B

#2B243B

#24283B

Triadic

#24283B

#3B2428

#283B24

Split Complementary

#24283B

#3B2B24

#333B24

Tetradic

#24283B

#3B2433

#3B3724

#243B2B

Color Blindness Simulation

Original

#24283B

Protanopia

#262636

Deuteranopia

#262535

Tritanopia

#243332

Achromatopsia

#292929

CSS Usage

background-color: #24283B;
color: #24283B;
border-color: #24283B;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F6F9
100
#E9EBF1
200
#D3D6E4
300
#B3B8D1
400
#8A92B7
500
#616B9E
600
#4D567F
700
#3E4565
800
#30364F
900
#262A3B
950
#181A25

Contrast Checker

Text on white

14.57:1

AA Pass AAA Pass

Text on black

1.44:1

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