#100404

#100404

Color Values

HEX

#100404

RGB

16, 4, 4

HSL

0.0, 60.0%, 3.9%

HSV

0.0, 75.0%, 6.3%

CMYK

0.0%, 75.0%, 75.0%, 93.7%

OKLCH

0.1303 0.0257 21.2

Properties

Warm Dark Nearest: RAL 9005 Jet Black

Color Harmonies

Complementary

#100404

#041010

Analogous

#10040A

#100A04

#100404

Triadic

#100404

#041004

#040410

Split Complementary

#100404

#04100A

#040A10

Tetradic

#100404

#0A1004

#041010

#0A0410

Color Blindness Simulation

Original

#100404

Protanopia

#0B0B04

Deuteranopia

#0C0C04

Tritanopia

#0F0404

Achromatopsia

#070707

CSS Usage

background-color: #100404;
color: #100404;
border-color: #100404;
Nearest Tailwind: Stone 950 #0C0A09

Tailwind Shades

50
#FBF3F3
100
#F6E4E4
200
#F1C6C6
300
#E79D9D
400
#D96868
500
#CC3333
600
#A32929
700
#832121
800
#661A1A
900
#4B1616
950
#2F0E0E

Contrast Checker

Text on white

20.17:1

AA Pass AAA Pass

Text on black

1.04:1

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