#231317

#231317

Color Values

HEX

#231317

RGB

35, 19, 23

HSL

345.0, 29.6%, 10.6%

HSV

345.0, 45.7%, 13.7%

CMYK

0.0%, 45.7%, 34.3%, 86.3%

OKLCH

0.2103 0.0273 3.4

Properties

Warm Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#231317

#13231F

Analogous

#23131F

#231713

#231317

Triadic

#231317

#172313

#131723

Split Complementary

#231317

#132317

#131F23

Tetradic

#231317

#1F2313

#13231F

#171323

Color Blindness Simulation

Original

#231317

Protanopia

#1C1C16

Deuteranopia

#1D1E16

Tritanopia

#221515

Achromatopsia

#171717

CSS Usage

background-color: #231317;
color: #231317;
border-color: #231317;
Nearest Tailwind: Stone 900 #1C1917

Tailwind Shades

50
#F9F5F6
100
#F2E9EB
200
#E6D1D6
300
#D4B0B9
400
#BD8593
500
#A55A6D
600
#844857
700
#6A3946
800
#532D36
900
#3D242A
950
#27161B

Contrast Checker

Text on white

17.84:1

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