#424157

#424157

Color Values

HEX

#424157

RGB

66, 65, 87

HSL

242.7, 14.5%, 29.8%

HSV

242.7, 25.3%, 34.1%

CMYK

24.1%, 25.3%, 0.0%, 65.9%

OKLCH

0.3854 0.0371 286.6

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#424157

#565741

Analogous

#414B57

#4D4157

#424157

Triadic

#424157

#574241

#415742

Split Complementary

#424157

#574D41

#4B5741

Tetradic

#424157

#57414B

#565741

#41574D

Color Blindness Simulation

Original

#424157

Protanopia

#424252

Deuteranopia

#424250

Tritanopia

#424D4D

Achromatopsia

#434343

CSS Usage

background-color: #424157;
color: #424157;
border-color: #424157;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F8
100
#EBEBEF
200
#D7D6E0
300
#BAB9CB
400
#9493AE
500
#6F6D92
600
#595775
700
#47465D
800
#373749
900
#2B2A37
950
#1B1B23

Contrast Checker

Text on white

9.88:1

AA Pass AAA Pass

Text on black

2.13:1

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