#423956

#423956

Color Values

HEX

#423956

RGB

66, 57, 86

HSL

258.6, 20.3%, 28.0%

HSV

258.6, 33.7%, 33.7%

CMYK

23.3%, 33.7%, 0.0%, 66.3%

OKLCH

0.3666 0.0502 298.1

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#423956

#4D5639

Analogous

#393E56

#503956

#423956

Triadic

#423956

#564239

#395642

Split Complementary

#423956

#565039

#3E5639

Tetradic

#423956

#56393E

#4D5639

#395650

Color Blindness Simulation

Original

#423956

Protanopia

#3E3E4F

Deuteranopia

#3F3F4D

Tritanopia

#424948

Achromatopsia

#3D3D3D

CSS Usage

background-color: #423956;
color: #423956;
border-color: #423956;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F7F6F9
100
#ECEAF0
200
#D9D4E3
300
#BDB5CE
400
#998DB4
500
#766699
600
#5E517B
700
#4B4162
800
#3B334D
900
#2D2839
950
#1C1924

Contrast Checker

Text on white

10.76:1

AA Pass AAA Pass

Text on black

1.95:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026