#AA1818

#AA1818

Color Values

HEX

#AA1818

RGB

170, 24, 24

HSL

0.0, 75.3%, 38.0%

HSV

0.0, 85.9%, 66.7%

CMYK

0.0%, 85.9%, 85.9%, 33.3%

OKLCH

0.4742 0.1795 27.6

Properties

Warm Dark Nearest: firebrick

Color Harmonies

Complementary

#AA1818

#18AAAA

Analogous

#AA1861

#AA6118

#AA1818

Triadic

#AA1818

#18AA18

#1818AA

Split Complementary

#AA1818

#18AA61

#1861AA

Tetradic

#AA1818

#61AA18

#18AAAA

#6118AA

Color Blindness Simulation

Original

#AA1818

Protanopia

#6B6A18

Deuteranopia

#737E18

Tritanopia

#A31818

Achromatopsia

#373737

CSS Usage

background-color: #AA1818;
color: #AA1818;
border-color: #AA1818;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF2F2
100
#F9E2E2
200
#F6C0C0
300
#F09494
400
#E85A5A
500
#E01F1F
600
#B31919
700
#8F1414
800
#701010
900
#511010
950
#330A0A

Contrast Checker

Text on white

7.36:1

AA Pass AAA Pass

Text on black

2.85:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026