#AD1F25

#AD1F25

Color Values

HEX

#AD1F25

RGB

173, 31, 37

HSL

357.5, 69.6%, 40.0%

HSV

357.5, 82.1%, 67.8%

CMYK

0.0%, 82.1%, 78.6%, 32.2%

OKLCH

0.4856 0.1767 25.2

Properties

Warm Dark Nearest: RAL 3031 Orient Red

Color Harmonies

Complementary

#AD1F25

#1FADA7

Analogous

#AD1F6C

#AD601F

#AD1F25

Triadic

#AD1F25

#25AD1F

#1F25AD

Split Complementary

#AD1F25

#1FAD60

#1F6CAD

Tetradic

#AD1F25

#6CAD1F

#1FADA7

#601FAD

Color Blindness Simulation

Original

#AD1F25

Protanopia

#6F6E24

Deuteranopia

#788223

Tritanopia

#A62222

Achromatopsia

#3E3E3E

CSS Usage

background-color: #AD1F25;
color: #AD1F25;
border-color: #AD1F25;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FCF3F3
100
#F8E3E3
200
#F4C2C5
300
#EC979B
400
#E25F64
500
#D8272E
600
#AD1F25
700
#8A191E
800
#6C1317
900
#4F1215
950
#320B0D

Contrast Checker

Text on white

7.0:1

AA Pass AAA Pass

Text on black

3.0:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026