#010409

#010409

Color Values

HEX

#010409

RGB

1, 4, 9

HSL

217.5, 80.0%, 2.0%

HSV

217.5, 88.9%, 3.5%

CMYK

88.9%, 55.6%, 0.0%, 96.5%

OKLCH

0.1039 0.0194 248.3

Properties

Cool Dark Nearest: black

Color Harmonies

Complementary

#010409

#090601

Analogous

#010809

#020109

#010409

Triadic

#010409

#090104

#040901

Split Complementary

#010409

#090201

#080901

Tetradic

#010409

#090108

#090601

#010902

Color Blindness Simulation

Original

#010409

Protanopia

#020208

Deuteranopia

#020208

Tritanopia

#010707

Achromatopsia

#040404

CSS Usage

background-color: #010409;
color: #010409;
border-color: #010409;
Nearest Tailwind: Zinc 950 #09090B

Tailwind Shades

50
#F2F6FD
100
#E1EAF9
200
#BFD4F8
300
#91B6F3
400
#558EEC
500
#1966E6
600
#1452B8
700
#104193
800
#0D3373
900
#0E2853
950
#091935

Contrast Checker

Text on white

20.54:1

AA Pass AAA Pass

Text on black

1.02:1

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