#242539

#242539

Color Values

HEX

#242539

RGB

36, 37, 57

HSL

237.1, 22.6%, 18.2%

HSV

237.1, 36.8%, 22.4%

CMYK

36.8%, 35.1%, 0.0%, 77.6%

OKLCH

0.2731 0.037 281.4

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#242539

#393824

Analogous

#242F39

#2D2439

#242539

Triadic

#242539

#392425

#253924

Split Complementary

#242539

#392D24

#2F3924

Tetradic

#242539

#39242F

#393824

#24392D

Color Blindness Simulation

Original

#242539

Protanopia

#242434

Deuteranopia

#242433

Tritanopia

#243030

Achromatopsia

#262626

CSS Usage

background-color: #242539;
color: #242539;
border-color: #242539;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F6F9
100
#EAEAF1
200
#D3D4E3
300
#B4B5D0
400
#8B8DB6
500
#63659C
600
#4F517D
700
#3F4164
800
#31334E
900
#27283A
950
#181925

Contrast Checker

Text on white

15.01:1

AA Pass AAA Pass

Text on black

1.4:1

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