#231220

#231220

Color Values

HEX

#231220

RGB

35, 18, 32

HSL

310.6, 32.1%, 10.4%

HSV

310.6, 48.6%, 13.7%

CMYK

0.0%, 48.6%, 8.6%, 86.3%

OKLCH

0.2122 0.0372 333.4

Properties

Warm Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#231220

#122315

Analogous

#1E1223

#231218

#231220

Triadic

#231220

#202312

#122023

Split Complementary

#231220

#182312

#12231E

Tetradic

#231220

#231E12

#122315

#121823

Color Blindness Simulation

Original

#231220

Protanopia

#1C1B1D

Deuteranopia

#1D1E1C

Tritanopia

#221A19

Achromatopsia

#171717

CSS Usage

background-color: #231220;
color: #231220;
border-color: #231220;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F9F5F9
100
#F2E8F0
200
#E7D0E3
300
#D5AECF
400
#BF82B4
500
#A8579A
600
#87457B
700
#6C3763
800
#542B4D
900
#3E223A
950
#271624

Contrast Checker

Text on white

17.81:1

AA Pass AAA Pass

Text on black

1.18:1

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