#A01D1A#A01D1A

#A01D1A is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.8% C 0.167 H 27.8°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#A01D1A
RGB	rgb(160, 29, 26)
HSL	hsl(1, 72%, 36%)
HSV	hsv(1, 84%, 63%)
CMYK	cmyk(0%, 81.9%, 83.8%, 37.3%)
CIE-LAB	lab(34.86, 51.72, 36.67)
CIE-LCH	lch(34.86, 63.40, 35.34°)
OKLab	oklab(45.84% 0.1476 0.0777)
OKLCH	oklch(45.84% 0.167 27.8)
XYZ	xyz(15.1249, 8.4294, 1.8077)
Luminance	0.0843 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01D1A #1A9DA0

analogous

#A01A5A #A01D1A #A0601A

triadic

#A01D1A #1AA01D #1D1AA0

tetradic

#A01D1A #5AA01A #1A9DA0 #601AA0

square

#A01D1A #5AA01A #1A9DA0 #601AA0

split-complementary

#A01D1A #1AA060 #1A5AA0

monochromatic

#370A09 #6B1311 #A01D1A #D52723 #E35552

Accessibility & contrast

On white

7.82

#A01D1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#A01D1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01D1A

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01D1A	#FFFFFF	#000000	##FFFFFF
##A01D1A	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484018

Deuteranopia (green-blind)

#685C13

Tritanopia (blue-blind)

#B1001E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01d1a;
/* rgb */ color: rgb(160, 29, 26);
/* oklch */ color: oklch(45.8% 0.167 27.8);

Tailwind

colors: {
  custom: {
    50: '#c66758',
    500: '#a01d1a',
    950: '#000000',
  },
}

SCSS

$custom: #a01d1a;
$custom-light: #c66758;
$custom-dark: #000000;

JSON

{
  "hex": "#a01d1a",
  "rgb": {
    "r": 160,
    "g": 29,
    "b": 26
  },
  "hsl": {
    "h": 1.343,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.45844,
    "c": 0.16683,
    "h": 27.8
  },
  "luminance": 0.08427
}

Semantic roles & 50–950 ramp

primary

#A01D1A

secondary

#50C3C5

accent

#EBEF39

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A01D1A

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

Preview Lab → · Contrast checker → · Palette generator →