#A8150F

#A8150F

Color Values

HEX

#A8150F

RGB

168, 21, 15

HSL

2.4, 83.6%, 35.9%

HSV

2.4, 91.1%, 65.9%

CMYK

0.0%, 87.5%, 91.1%, 34.1%

OKLCH

0.468 0.18 29.0

Properties

Warm Dark Nearest: RAL 3001 Signal Red

Color Harmonies

Complementary

#A8150F

#0FA2A8

Analogous

#A80F55

#A8620F

#A8150F

Triadic

#A8150F

#0FA815

#150FA8

Split Complementary

#A8150F

#0FA862

#0F55A8

Tetradic

#A8150F

#55A80F

#0FA2A8

#620FA8

Color Blindness Simulation

Original

#A8150F

Protanopia

#686710

Deuteranopia

#717C11

Tritanopia

#A11212

Achromatopsia

#343434

CSS Usage

background-color: #A8150F;
color: #A8150F;
border-color: #A8150F;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FDF2F2
100
#FAE1E0
200
#F9C0BD
300
#F5938F
400
#F05852
500
#EA1D15
600
#BB1811
700
#96130D
800
#750F0A
900
#550F0C
950
#360908

Contrast Checker

Text on white

7.56:1

AA Pass AAA Pass

Text on black

2.78:1

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