#A81D3F#A81D3F

#A81D3F is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.172 H 13.9°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX#A81D3F
RGBrgb(168, 29, 63)
HSLhsl(345, 71%, 39%)
HSVhsv(345, 83%, 66%)
CMYKcmyk(0%, 82.7%, 62.5%, 34.1%)
CIE-LABlab(37.05, 55.71, 16.97)
CIE-LCHlch(37.05, 58.24, 16.94°)
OKLaboklab(47.93% 0.1674 0.0414)
OKLCHoklch(47.93% 0.172 13.9)
XYZxyz(17.4869, 9.5651, 5.6271)
Luminance0.0956 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A81D3F #1DA886
analogous
#A81D84 #A81D3F #A8411D
triadic
#A81D3F #3FA81D #1D3FA8
tetradic
#A81D3F #84A81D #1DA886 #411DA8
square
#A81D3F #84A81D #1DA886 #411DA8
split-complementary
#A81D3F #1DA841 #1D84A8
monochromatic
#400B18 #74142B #A81D3F #DA2854 #E35C7D

Accessibility & contrast

On white

7.21
#A81D3F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.91
#A81D3F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81D3F
7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A81D3F#FFFFFF#000000##FFFFFF
##A81D3F1.007.212.917.21
#FFFFFF7.211.0021.001.00
#0000002.9121.001.0021.00
##FFFFFF7.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#47453F
Deuteranopia (green-blind)
#6A613B
Tritanopia (blue-blind)
#B8002C
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #a81d3f;
/* rgb */ color: rgb(168, 29, 63);
/* oklch */ color: oklch(47.9% 0.172 13.9);
Tailwind
colors: {
  custom: {
    50: '#c96973',
    500: '#a81d3f',
    950: '#000000',
  },
}
SCSS
$custom: #a81d3f;
$custom-light: #c96973;
$custom-dark: #000000;
JSON
{
  "hex": "#a81d3f",
  "rgb": {
    "r": 168,
    "g": 29,
    "b": 63
  },
  "hsl": {
    "h": 345.324,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47928,
    "c": 0.17249,
    "h": 13.9
  },
  "luminance": 0.09562
}

Semantic roles & 50–950 ramp

primary
#A81D3F
secondary
#5AC7AC
accent
#EDC23A
background
#FDF6F6
surface
#FAECEC
border
#D3C7C7
text
#150708
muted
#837A7B

Preview Lab

Preview with #A81D3F

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

Preview Lab → · Contrast checker → · Palette generator →

#A81D3F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva