#152124

#152124

Color Values

HEX

#152124

RGB

21, 33, 36

HSL

192.0, 26.3%, 11.2%

HSV

192.0, 41.7%, 14.1%

CMYK

41.7%, 8.3%, 0.0%, 85.9%

OKLCH

0.2379 0.0177 214.9

Properties

Cool Dark Nearest: RAL 7021 Black Grey

Color Harmonies

Complementary

#152124

#241815

Analogous

#152420

#151A24

#152124

Triadic

#152124

#241521

#212415

Split Complementary

#152124

#24151A

#242015

Tetradic

#152124

#201524

#241815

#1A2415

Color Blindness Simulation

Original

#152124

Protanopia

#1A1A23

Deuteranopia

#1A1923

Tritanopia

#162323

Achromatopsia

#1F1F1F

CSS Usage

background-color: #152124;
color: #152124;
border-color: #152124;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F6F8F9
100
#E9F0F1
200
#D2E1E5
300
#B2CBD2
400
#88B0B9
500
#5E94A1
600
#4B7681
700
#3C5E67
800
#2F4A51
900
#25373C
950
#172326

Contrast Checker

Text on white

16.47:1

AA Pass AAA Pass

Text on black

1.27:1

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