#A0100F

#A0100F

Color Values

HEX

#A0100F

RGB

160, 16, 15

HSL

0,4, 82,9%, 34,3%

HSV

0,4, 90,6%, 62,7%

CMYK

0,0%, 90,0%, 90,6%, 37,3%

OKLCH

0,4498 0,1752 28,3

Properties

Warm Dark Nearest: RAL 3001 Signal Red

Color Harmonies

Complementary

#A0100F

#0F9FA0

Analogous

#A00F56

#A0580F

#A0100F

Triadic

#A0100F

#0FA010

#100FA0

Split Complementary

#A0100F

#0FA058

#0F56A0

Tetradic

#A0100F

#56A00F

#0F9FA0

#580FA0

Color Blindness Simulation

Original

#A0100F

Protanopia

#62600F

Deuteranopia

#6A750F

Tritanopia

#990F0F

Achromatopsia

#2F2F2F

CSS Usage

background-color: #A0100F;
color: #A0100F;
border-color: #A0100F;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FDF2F2
100
#FAE1E1
200
#F9BEBE
300
#F5908F
400
#EF5352
500
#E91716
600
#BB1311
700
#950F0E
800
#750C0B
900
#550D0C
950
#350808

Contrast Checker

Text on white

8,15:1

AA Pass AAA Pass

Text on black

2,58:1

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