#A0231C#A0231C

#A0231C is a mid, vivid red. Relative luminance 0.088; OKLCH L 46.3% C 0.162 H 28.5°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#A0231C
RGB	rgb(160, 35, 28)
HSL	hsl(3, 70%, 37%)
HSV	hsv(3, 83%, 63%)
CMYK	cmyk(0%, 78.1%, 82.5%, 37.3%)
CIE-LAB	lab(35.52, 49.97, 36.21)
CIE-LCH	lch(35.52, 61.71, 35.92°)
OKLab	oklab(46.34% 0.1425 0.0775)
OKLCH	oklch(46.34% 0.162 28.5)
XYZ	xyz(15.3097, 8.7619, 1.9835)
Luminance	0.0876 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0231C #1C99A0

analogous

#A01C57 #A0231C #A0651C

triadic

#A0231C #1CA023 #231CA0

tetradic

#A0231C #57A01C #1C99A0 #651CA0

square

#A0231C #57A01C #1C99A0 #651CA0

split-complementary

#A0231C #1CA065 #1C57A0

monochromatic

#380C0A #6C1813 #A0231C #D42E25 #E15D55

Accessibility & contrast

On white

7.63

#A0231C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#A0231C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0231C

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0231C	#FFFFFF	#000000	##FFFFFF
##A0231C	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A421A

Deuteranopia (green-blind)

#695D16

Tritanopia (blue-blind)

#B10023

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #a0231c;
/* rgb */ color: rgb(160, 35, 28);
/* oklch */ color: oklch(46.3% 0.162 28.5);

Tailwind

colors: {
  custom: {
    50: '#c56959',
    500: '#a0231c',
    950: '#000000',
  },
}

SCSS

$custom: #a0231c;
$custom-light: #c56959;
$custom-dark: #000000;

JSON

{
  "hex": "#a0231c",
  "rgb": {
    "r": 160,
    "g": 35,
    "b": 28
  },
  "hsl": {
    "h": 3.182,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.4634,
    "c": 0.16224,
    "h": 28.5
  },
  "luminance": 0.08759
}

Semantic roles & 50–950 ramp

primary

#A0231C

secondary

#53BEC4

accent

#E4ED3B

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A0231C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →