#A01A1D#A01A1D

#A01A1D is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.7% C 0.168 H 26.3°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#A01A1D
RGB	rgb(160, 26, 29)
HSL	hsl(359, 72%, 36%)
HSV	hsv(359, 84%, 63%)
CMYK	cmyk(0%, 83.8%, 81.9%, 37.3%)
CIE-LAB	lab(34.61, 52.61, 34.75)
CIE-LCH	lch(34.61, 63.05, 33.44°)
OKLab	oklab(45.66% 0.151 0.0746)
OKLCH	oklch(45.66% 0.168 26.3)
XYZ	xyz(15.0903, 8.3036, 1.9704)
Luminance	0.0830 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01A1D #1AA09D

analogous

#A01A60 #A01A1D #A05A1A

triadic

#A01A1D #1DA01A #1A1DA0

tetradic

#A01A1D #60A01A #1AA09D #5A1AA0

square

#A01A1D #60A01A #1AA09D #5A1AA0

split-complementary

#A01A1D #1AA05A #1A60A0

monochromatic

#37090A #6B1113 #A01A1D #D52327 #E35255

Accessibility & contrast

On white

7.89

#A01A1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#A01A1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01A1D

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01A1D	#FFFFFF	#000000	##FFFFFF
##A01A1D	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F1B

Deuteranopia (green-blind)

#675C16

Tritanopia (blue-blind)

#B1001D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01a1d;
/* rgb */ color: rgb(160, 26, 29);
/* oklch */ color: oklch(45.7% 0.168 26.3);

Tailwind

colors: {
  custom: {
    50: '#c6665a',
    500: '#a01a1d',
    950: '#000000',
  },
}

SCSS

$custom: #a01a1d;
$custom-light: #c6665a;
$custom-dark: #000000;

JSON

{
  "hex": "#a01a1d",
  "rgb": {
    "r": 160,
    "g": 26,
    "b": 29
  },
  "hsl": {
    "h": 358.657,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.45664,
    "c": 0.16847,
    "h": 26.3
  },
  "luminance": 0.08301
}

Semantic roles & 50–950 ramp

primary

#A01A1D

secondary

#50C5C3

accent

#EFEB39

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01A1D

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

Preview Lab → · Contrast checker → · Palette generator →