#A01D1C#A01D1C

#A01D1C is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.9% C 0.167 H 27.2°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#A01D1C
RGB	rgb(160, 29, 28)
HSL	hsl(0, 70%, 37%)
HSV	hsv(0, 83%, 63%)
CMYK	cmyk(0%, 81.9%, 82.5%, 37.3%)
CIE-LAB	lab(34.88, 51.78, 35.58)
CIE-LCH	lch(34.88, 62.82, 34.50°)
OKLab	oklab(45.86% 0.1482 0.0761)
OKLCH	oklch(45.86% 0.167 27.2)
XYZ	xyz(15.1481, 8.4386, 1.9296)
Luminance	0.0844 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01D1C #1C9FA0

analogous

#A01C5D #A01D1C #A05F1C

triadic

#A01D1C #1CA01D #1D1CA0

tetradic

#A01D1C #5DA01C #1C9FA0 #5F1CA0

square

#A01D1C #5DA01C #1C9FA0 #5F1CA0

split-complementary

#A01D1C #1CA05F #1C5DA0

monochromatic

#380A0A #6C1413 #A01D1C #D42625 #E15655

Accessibility & contrast

On white

7.81

#A01D1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#A01D1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01D1C

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01D1C	#FFFFFF	#000000	##FFFFFF
##A01D1C	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48401A

Deuteranopia (green-blind)

#685C15

Tritanopia (blue-blind)

#B1001F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01d1c;
/* rgb */ color: rgb(160, 29, 28);
/* oklch */ color: oklch(45.9% 0.167 27.2);

Tailwind

colors: {
  custom: {
    50: '#c66759',
    500: '#a01d1c',
    950: '#000000',
  },
}

SCSS

$custom: #a01d1c;
$custom-light: #c66759;
$custom-dark: #000000;

JSON

{
  "hex": "#a01d1c",
  "rgb": {
    "r": 160,
    "g": 29,
    "b": 28
  },
  "hsl": {
    "h": 0.455,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.45863,
    "c": 0.1666,
    "h": 27.2
  },
  "luminance": 0.08436
}

Semantic roles & 50–950 ramp

primary

#A01D1C

secondary

#53C4C4

accent

#ECED3B

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A01D1C

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

Preview Lab → · Contrast checker → · Palette generator →