#17231B

#17231B

Color Values

HEX

#17231B

RGB

23, 35, 27

HSL

140.0, 20.7%, 11.4%

HSV

140.0, 34.3%, 13.7%

CMYK

34.3%, 0.0%, 22.9%, 86.3%

OKLCH

0.2419 0.0227 155.2

Properties

Cool Dark Nearest: RAL 6022 Olive Drab

Color Harmonies

Complementary

#17231B

#23171F

Analogous

#192317

#172321

#17231B

Triadic

#17231B

#1B1723

#231B17

Split Complementary

#17231B

#211723

#231719

Tetradic

#17231B

#171923

#23171F

#232117

Color Blindness Simulation

Original

#17231B

Protanopia

#1C1C1D

Deuteranopia

#1C1B1D

Tritanopia

#181E1F

Achromatopsia

#202020

CSS Usage

background-color: #17231B;
color: #17231B;
border-color: #17231B;
Nearest Tailwind: Neutral 800 #262626

Tailwind Shades

50
#F6F9F7
100
#EAF0EC
200
#D4E3D9
300
#B5CEBE
400
#8DB49A
500
#659A77
600
#517B5F
700
#41624C
800
#334D3B
900
#27392D
950
#19241D

Contrast Checker

Text on white

16.25:1

AA Pass AAA Pass

Text on black

1.29:1

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