#A81D3A#A81D3A

#A81D3A is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.172 H 16.2°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#A81D3A
RGB	rgb(168, 29, 58)
HSL	hsl(347, 71%, 39%)
HSV	hsv(347, 83%, 66%)
CMYK	cmyk(0%, 82.7%, 65.5%, 34.1%)
CIE-LAB	lab(36.95, 55.41, 20.04)
CIE-LCH	lch(36.95, 58.92, 19.88°)
OKLab	oklab(47.82% 0.1655 0.048)
OKLCH	oklch(47.82% 0.172 16.2)
XYZ	xyz(17.3534, 9.5117, 4.9244)
Luminance	0.0951 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81D3A #1DA88B

analogous

#A81D7F #A81D3A #A8451D

triadic

#A81D3A #3AA81D #1D3AA8

tetradic

#A81D3A #7FA81D #1DA88B #451DA8

square

#A81D3A #7FA81D #1DA88B #451DA8

split-complementary

#A81D3A #1DA845 #1D7FA8

monochromatic

#400B16 #741428 #A81D3A #DA284D #E35C79

Accessibility & contrast

On white

7.24

#A81D3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A81D3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81D3A

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81D3A	#FFFFFF	#000000	##FFFFFF
##A81D3A	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47453A

Deuteranopia (green-blind)

#6A6136

Tritanopia (blue-blind)

#B9002A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81d3a;
/* rgb */ color: rgb(168, 29, 58);
/* oklch */ color: oklch(47.8% 0.172 16.2);

Tailwind

colors: {
  custom: {
    50: '#ca696f',
    500: '#a81d3a',
    950: '#000000',
  },
}

SCSS

$custom: #a81d3a;
$custom-light: #ca696f;
$custom-dark: #000000;

JSON

{
  "hex": "#a81d3a",
  "rgb": {
    "r": 168,
    "g": 29,
    "b": 58
  },
  "hsl": {
    "h": 347.482,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47823,
    "c": 0.17227,
    "h": 16.2
  },
  "luminance": 0.09509
}

Semantic roles & 50–950 ramp

primary

#A81D3A

secondary

#5AC7B0

accent

#EDC83A

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150707

muted

#837A7A

Preview Lab

Preview with #A81D3A

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

Preview Lab → · Contrast checker → · Palette generator →