#AC221B

#AC221B

Color Values

HEX

#AC221B

RGB

172, 34, 27

HSL

2.9, 72.9%, 39.0%

HSV

2.9, 84.3%, 67.5%

CMYK

0.0%, 80.2%, 84.3%, 32.5%

OKLCH

0.4849 0.1748 28.6

Properties

Warm Dark Nearest: RAL 3016 Coral Red

Color Harmonies

Complementary

#AC221B

#1BA5AC

Analogous

#AC1B5C

#AC6A1B

#AC221B

Triadic

#AC221B

#1BAC22

#221BAC

Split Complementary

#AC221B

#1BAC6A

#1B5CAC

Tetradic

#AC221B

#5CAC1B

#1BA5AC

#6A1BAC

Color Blindness Simulation

Original

#AC221B

Protanopia

#706F1D

Deuteranopia

#78831D

Tritanopia

#A51E1E

Achromatopsia

#3F3F3F

CSS Usage

background-color: #AC221B;
color: #AC221B;
border-color: #AC221B;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF3F3
100
#F8E3E2
200
#F5C4C1
300
#EE9995
400
#E5635C
500
#DC2C23
600
#B0231C
700
#8D1C16
800
#6E1611
900
#501411
950
#330C0B

Contrast Checker

Text on white

7.0:1

AA Pass AAA Pass

Text on black

3.0:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

ก.พ. 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

ม.ค. 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

ม.ค. 21, 2026