#231719

#231719

Color Values

HEX

#231719

RGB

35, 23, 25

HSL

350.0, 20.7%, 11.4%

HSV

350.0, 34.3%, 13.7%

CMYK

0.0%, 34.3%, 28.6%, 86.3%

OKLCH

0.2208 0.0197 7.7

Properties

Warm Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#231719

#172321

Analogous

#23171F

#231B17

#231719

Triadic

#231719

#192317

#171923

Split Complementary

#231719

#17231B

#171F23

Tetradic

#231719

#1F2317

#172321

#1B1723

Color Blindness Simulation

Original

#231719

Protanopia

#1E1E19

Deuteranopia

#1E1F18

Tritanopia

#221818

Achromatopsia

#1A1A1A

CSS Usage

background-color: #231719;
color: #231719;
border-color: #231719;
Nearest Tailwind: Stone 900 #1C1917

Tailwind Shades

50
#F9F6F6
100
#F0EAEB
200
#E3D4D6
300
#CEB5B9
400
#B48D94
500
#9A656E
600
#7B5158
700
#624146
800
#4D3337
900
#39272A
950
#24191B

Contrast Checker

Text on white

17.38:1

AA Pass AAA Pass

Text on black

1.21:1

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