#A32731#A32731

#A32731 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.5% C 0.160 H 21.7°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX#A32731
RGBrgb(163, 39, 49)
HSLhsl(355, 61%, 40%)
HSVhsv(355, 76%, 64%)
CMYKcmyk(0%, 76.1%, 69.9%, 36.1%)
CIE-LABlab(36.86, 50.44, 25.39)
CIE-LCHlch(36.86, 56.47, 26.72°)
OKLaboklab(47.53% 0.1482 0.059)
OKLCHoklch(47.53% 0.16 21.7)
XYZxyz(16.3860, 9.4618, 3.8686)
Luminance0.0946 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A32731 #27A399
analogous
#A3276F #A32731 #A35B27
triadic
#A32731 #31A327 #2731A3
tetradic
#A32731 #6FA327 #27A399 #5B27A3
square
#A32731 #6FA327 #27A399 #5B27A3
split-complementary
#A32731 #27A35B #276FA3
monochromatic
#400F13 #721B22 #A32731 #CF3844 #DB6972

Accessibility & contrast

On white

7.26
#A32731 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.89
#A32731 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A32731
7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A32731#FFFFFF#000000##FFFFFF
##A327311.007.262.897.26
#FFFFFF7.261.0021.001.00
#0000002.8921.001.0021.00
##FFFFFF7.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B4630
Deuteranopia (green-blind)
#6A602D
Tritanopia (blue-blind)
#B3002C
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #a32731;
/* rgb */ color: rgb(163, 39, 49);
/* oklch */ color: oklch(47.5% 0.160 21.7);
Tailwind
colors: {
  custom: {
    50: '#c66c69',
    500: '#a32731',
    950: '#000000',
  },
}
SCSS
$custom: #a32731;
$custom-light: #c66c69;
$custom-dark: #000000;
JSON
{
  "hex": "#a32731",
  "rgb": {
    "r": 163,
    "g": 39,
    "b": 49
  },
  "hsl": {
    "h": 355.161,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47526,
    "c": 0.15955,
    "h": 21.7
  },
  "luminance": 0.09459
}

Semantic roles & 50–950 ramp

primary
#A32731
secondary
#64C1BA
accent
#E4D743
background
#FDF6F6
surface
#FAECEB
border
#D3C7C6
text
#140706
muted
#837A7A

Preview Lab

Preview with #A32731

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

Preview Lab → · Contrast checker → · Palette generator →

#A32731 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva