#23243F

#23243F

Color Values

HEX

#23243F

RGB

35, 36, 63

HSL

237.9, 28.6%, 19.2%

HSV

237.9, 44.4%, 24.7%

CMYK

44.4%, 42.9%, 0.0%, 75.3%

OKLCH

0.2734 0.0497 281.0

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#23243F

#3F3E23

Analogous

#23323F

#30233F

#23243F

Triadic

#23243F

#3F2324

#243F23

Split Complementary

#23243F

#3F3023

#323F23

Tetradic

#23243F

#3F2332

#3F3E23

#233F30

Color Blindness Simulation

Original

#23243F

Protanopia

#232338

Deuteranopia

#232337

Tritanopia

#233332

Achromatopsia

#262626

CSS Usage

background-color: #23243F;
color: #23243F;
border-color: #23243F;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F6F9
100
#E9E9F1
200
#D1D2E6
300
#B0B2D3
400
#8688BC
500
#5B5EA4
600
#494B83
700
#3A3C69
800
#2E2F52
900
#24253D
950
#171726

Contrast Checker

Text on white

15.05:1

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