#A73531#A73531

#A73531 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.7% C 0.150 H 26.2°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX#A73531
RGBrgb(167, 53, 49)
HSLhsl(2, 55%, 42%)
HSVhsv(2, 71%, 65%)
CMYKcmyk(0%, 68.3%, 70.7%, 34.5%)
CIE-LABlab(39.56, 46.41, 28.81)
CIE-LCHlch(39.56, 54.62, 31.83°)
OKLaboklab(49.68% 0.1349 0.0664)
OKLCHoklch(49.68% 0.15 26.2)
XYZxyz(17.7657, 10.9860, 4.0902)
Luminance0.1098 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A73531 #31A3A7
analogous
#A73168 #A73531 #A77031
triadic
#A73531 #31A735 #3531A7
tetradic
#A73531 #68A731 #31A3A7 #7031A7
square
#A73531 #68A731 #31A3A7 #7031A7
split-complementary
#A73531 #31A770 #3168A7
monochromatic
#481715 #782623 #A73531 #CA4F4B #D87E7A

Accessibility & contrast

On white

6.57
#A73531 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.20
#A73531 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73531
6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A73531#FFFFFF#000000##FFFFFF
##A735311.006.573.206.57
#FFFFFF6.571.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554E30
Deuteranopia (green-blind)
#71662D
Tritanopia (blue-blind)
#B81535
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #a73531;
/* rgb */ color: rgb(167, 53, 49);
/* oklch */ color: oklch(49.7% 0.150 26.2);
Tailwind
colors: {
  custom: {
    50: '#c87369',
    500: '#a73531',
    950: '#000000',
  },
}
SCSS
$custom: #a73531;
$custom-light: #c87369;
$custom-dark: #000000;
JSON
{
  "hex": "#a73531",
  "rgb": {
    "r": 167,
    "g": 53,
    "b": 49
  },
  "hsl": {
    "h": 2.034,
    "s": 54.63,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49678,
    "c": 0.15039,
    "h": 26.2
  },
  "luminance": 0.10983
}

Semantic roles & 50–950 ramp

primary
#A73531
secondary
#73BEC1
accent
#D9DE4A
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140806
muted
#837B7A

Preview Lab

Preview with #A73531

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

Preview Lab → · Contrast checker → · Palette generator →

#A73531 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva