#424453

#424453

Color Values

HEX

#424453

RGB

66, 68, 83

HSL

232.9, 11.4%, 29.2%

HSV

232.9, 20.5%, 32.5%

CMYK

20.5%, 18.1%, 0.0%, 67.5%

OKLCH

0.3907 0.0255 279.2

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#424453

#535142

Analogous

#424C53

#484253

#424453

Triadic

#424453

#534244

#445342

Split Complementary

#424453

#534842

#4C5342

Tetradic

#424453

#53424C

#535142

#425348

Color Blindness Simulation

Original

#424453

Protanopia

#43434F

Deuteranopia

#43434E

Tritanopia

#424D4C

Achromatopsia

#454545

CSS Usage

background-color: #424453;
color: #424453;
border-color: #424453;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F7F7F8
100
#EBECEF
200
#D7D8DF
300
#BBBCC9
400
#9698AB
500
#71748E
600
#5A5D72
700
#484A5B
800
#383A47
900
#2B2D35
950
#1B1C22

Contrast Checker

Text on white

9.62:1

AA Pass AAA Pass

Text on black

2.18:1

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