#A81D3E#A81D3E

#A81D3E is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.172 H 14.3°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#A81D3E
RGB	rgb(168, 29, 62)
HSL	hsl(346, 71%, 39%)
HSV	hsv(346, 83%, 66%)
CMYK	cmyk(0%, 82.7%, 63.1%, 34.1%)
CIE-LAB	lab(37.03, 55.65, 17.58)
CIE-LCH	lch(37.03, 58.36, 17.53°)
OKLab	oklab(47.91% 0.1671 0.0427)
OKLCH	oklch(47.91% 0.172 14.3)
XYZ	xyz(17.4592, 9.5540, 5.4813)
Luminance	0.0955 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81D3E #1DA887

analogous

#A81D83 #A81D3E #A8411D

triadic

#A81D3E #3EA81D #1D3EA8

tetradic

#A81D3E #83A81D #1DA887 #411DA8

square

#A81D3E #83A81D #1DA887 #411DA8

split-complementary

#A81D3E #1DA841 #1D83A8

monochromatic

#400B17 #74142B #A81D3E #DA2852 #E35C7C

Accessibility & contrast

On white

7.22

#A81D3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A81D3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81D3E

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81D3E	#FFFFFF	#000000	##FFFFFF
##A81D3E	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)

#47453E

Deuteranopia (green-blind)

#6A613A

Tritanopia (blue-blind)

#B8002C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81d3e;
/* rgb */ color: rgb(168, 29, 62);
/* oklch */ color: oklch(47.9% 0.172 14.3);

Tailwind

colors: {
  custom: {
    50: '#c96973',
    500: '#a81d3e',
    950: '#000000',
  },
}

SCSS

$custom: #a81d3e;
$custom-light: #c96973;
$custom-dark: #000000;

JSON

{
  "hex": "#a81d3e",
  "rgb": {
    "r": 168,
    "g": 29,
    "b": 62
  },
  "hsl": {
    "h": 345.755,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47906,
    "c": 0.17243,
    "h": 14.3
  },
  "luminance": 0.09551
}

Semantic roles & 50–950 ramp

primary

#A81D3E

secondary

#5AC7AD

accent

#EDC33A

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150708

muted

#837A7B

Preview Lab

Preview with #A81D3E

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

Preview Lab → · Contrast checker → · Palette generator →