#231D2C

#231D2C

Color Values

HEX

#231D2C

RGB

35, 29, 44

HSL

264.0, 20.5%, 14.3%

HSV

264.0, 34.1%, 17.3%

CMYK

20.5%, 34.1%, 0.0%, 82.7%

OKLCH

0.2447 0.0292 302.6

Properties

Cool Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#231D2C

#262C1D

Analogous

#1D1E2C

#2A1D2C

#231D2C

Triadic

#231D2C

#2C231D

#1D2C23

Split Complementary

#231D2C

#2C2A1D

#1E2C1D

Tetradic

#231D2C

#2C1D1E

#262C1D

#1D2C2A

Color Blindness Simulation

Original

#231D2C

Protanopia

#202028

Deuteranopia

#212128

Tritanopia

#232625

Achromatopsia

#1F1F1F

CSS Usage

background-color: #231D2C;
color: #231D2C;
border-color: #231D2C;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F7F6F9
100
#EDEAF0
200
#DAD4E3
300
#BFB5CE
400
#9D8DB4
500
#7A659A
600
#62517B
700
#4E4162
800
#3D334D
900
#2F2839
950
#1D1924

Contrast Checker

Text on white

16.36:1

AA Pass AAA Pass

Text on black

1.28:1

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