#423B53

#423B53

Color Values

HEX

#423B53

RGB

66, 59, 83

HSL

257.5, 16.9%, 27.8%

HSV

257.5, 28.9%, 32.5%

CMYK

20.5%, 28.9%, 0.0%, 67.5%

OKLCH

0.3696 0.0415 297.7

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#423B53

#4C533B

Analogous

#3B4053

#4E3B53

#423B53

Triadic

#423B53

#53423B

#3B5342

Split Complementary

#423B53

#534E3B

#40533B

Tetradic

#423B53

#533B40

#4C533B

#3B534E

Color Blindness Simulation

Original

#423B53

Protanopia

#3F3F4D

Deuteranopia

#3F404C

Tritanopia

#424948

Achromatopsia

#3E3E3E

CSS Usage

background-color: #423B53;
color: #423B53;
border-color: #423B53;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F7F6F8
100
#ECEBF0
200
#D9D5E1
300
#BDB7CC
400
#9A91B1
500
#776A95
600
#5F5577
700
#4C445F
800
#3B354B
900
#2D2938
950
#1D1A23

Contrast Checker

Text on white

10.59:1

AA Pass AAA Pass

Text on black

1.98:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026