#151F22

#151F22

Color Values

HEX

#151F22

RGB

21, 31, 34

HSL

193.8, 23.6%, 10.8%

HSV

193.8, 38.2%, 13.3%

CMYK

38.2%, 8.8%, 0.0%, 86.7%

OKLCH

0.231 0.0154 218.2

Properties

Cool Dark Nearest: RAL 9017 Traffic Black

Color Harmonies

Complementary

#151F22

#221815

Analogous

#15221F

#151922

#151F22

Triadic

#151F22

#22151F

#1F2215

Split Complementary

#151F22

#221519

#221F15

Tetradic

#151F22

#1F1522

#221815

#192215

Color Blindness Simulation

Original

#151F22

Protanopia

#191921

Deuteranopia

#191821

Tritanopia

#162121

Achromatopsia

#1D1D1D

CSS Usage

background-color: #151F22;
color: #151F22;
border-color: #151F22;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F6F8F9
100
#EAEFF1
200
#D3E0E4
300
#B3CAD0
400
#8AADB7
500
#61909E
600
#4E737E
700
#3E5C65
800
#31484F
900
#26363B
950
#182225

Contrast Checker

Text on white

16.79:1

AA Pass AAA Pass

Text on black

1.25:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026