#AD0405

#AD0405

Color Values

HEX

#AD0405

RGB

173, 4, 5

HSL

359.6, 95.5%, 34.7%

HSV

359.6, 97.7%, 67.8%

CMYK

0.0%, 97.7%, 97.1%, 32.2%

OKLCH

0.4709 0.1911 28.9

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#AD0405

#04ADAC

Analogous

#AD045A

#AD5704

#AD0405

Triadic

#AD0405

#05AD04

#0405AD

Split Complementary

#AD0405

#04AD57

#045AAD

Tetradic

#AD0405

#5AAD04

#04ADAC

#5704AD

Color Blindness Simulation

Original

#AD0405

Protanopia

#646205

Deuteranopia

#6E7A05

Tritanopia

#A50505

Achromatopsia

#282828

CSS Usage

background-color: #AD0405;
color: #AD0405;
border-color: #AD0405;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FEF1F1
100
#FCDFDF
200
#FDB9BA
300
#FC8788
400
#FB4748
500
#F90607
600
#C70506
700
#A00405
800
#7D0304
900
#5A0707
950
#390405

Contrast Checker

Text on white

7.51:1

AA Pass AAA Pass

Text on black

2.8:1

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