#A81D3D#A81D3D

#A81D3D is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.9% C 0.172 H 14.8°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#A81D3D
RGB	rgb(168, 29, 61)
HSL	hsl(346, 71%, 39%)
HSV	hsv(346, 83%, 66%)
CMYK	cmyk(0%, 82.7%, 63.7%, 34.1%)
CIE-LAB	lab(37.01, 55.59, 18.20)
CIE-LCH	lch(37.01, 58.49, 18.13°)
OKLab	oklab(47.89% 0.1667 0.0441)
OKLCH	oklch(47.89% 0.172 14.8)
XYZ	xyz(17.4320, 9.5432, 5.3381)
Luminance	0.0954 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81D3D #1DA888

analogous

#A81D82 #A81D3D #A8421D

triadic

#A81D3D #3DA81D #1D3DA8

tetradic

#A81D3D #82A81D #1DA888 #421DA8

square

#A81D3D #82A81D #1DA888 #421DA8

split-complementary

#A81D3D #1DA842 #1D82A8

monochromatic

#400B17 #74142A #A81D3D #DA2851 #E35C7B

Accessibility & contrast

On white

7.22

#A81D3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A81D3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81D3D

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81D3D	#FFFFFF	#000000	##FFFFFF
##A81D3D	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47453D

Deuteranopia (green-blind)

#6A6139

Tritanopia (blue-blind)

#B9002B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81d3d;
/* rgb */ color: rgb(168, 29, 61);
/* oklch */ color: oklch(47.9% 0.172 14.8);

Tailwind

colors: {
  custom: {
    50: '#c96972',
    500: '#a81d3d',
    950: '#000000',
  },
}

SCSS

$custom: #a81d3d;
$custom-light: #c96972;
$custom-dark: #000000;

JSON

{
  "hex": "#a81d3d",
  "rgb": {
    "r": 168,
    "g": 29,
    "b": 61
  },
  "hsl": {
    "h": 346.187,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47885,
    "c": 0.17238,
    "h": 14.8
  },
  "luminance": 0.0954
}

Semantic roles & 50–950 ramp

primary

#A81D3D

secondary

#5AC7AE

accent

#EDC43A

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150707

muted

#837A7A

Preview Lab

Preview with #A81D3D

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

Preview Lab → · Contrast checker → · Palette generator →