#DF181B

#DF181B

Color Values

HEX

#DF181B

RGB

223, 24, 27

HSL

359.1, 80.6%, 48.4%

HSV

359.1, 89.2%, 87.5%

CMYK

0.0%, 89.2%, 87.9%, 12.5%

OKLCH

0.5749 0.2253 27.9

Properties

Warm Dark Nearest: firebrick 2

Color Harmonies

Complementary

#DF181B

#18DFDC

Analogous

#DF187E

#DF7818

#DF181B

Triadic

#DF181B

#1BDF18

#181BDF

Split Complementary

#DF181B

#18DF78

#187EDF

Tetradic

#DF181B

#7EDF18

#18DFDC

#7818DF

Color Blindness Simulation

Original

#DF181B

Protanopia

#89871A

Deuteranopia

#94A31A

Tritanopia

#D51A1A

Achromatopsia

#434343

CSS Usage

background-color: #DF181B;
color: #DF181B;
border-color: #DF181B;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#F9E1E1
200
#F8BFBF
300
#F39092
400
#ED5557
500
#E6191C
600
#B81416
700
#931012
800
#730C0E
900
#540D0E
950
#350809

Contrast Checker

Text on white

4.9:1

AA Pass AAA Fail

Text on black

4.28:1

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