#A32737#A32737

#A32737 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.6% C 0.159 H 19.0°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX#A32737
RGBrgb(163, 39, 55)
HSLhsl(352, 61%, 40%)
HSVhsv(352, 76%, 64%)
CMYKcmyk(0%, 76.1%, 66.3%, 36.1%)
CIE-LABlab(36.96, 50.77, 21.75)
CIE-LCHlch(36.96, 55.23, 23.19°)
OKLaboklab(47.63% 0.1506 0.0517)
OKLCHoklch(47.63% 0.159 19)
XYZxyz(16.5211, 9.5159, 4.5805)
Luminance0.0951 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A32737 #27A393
analogous
#A32775 #A32737 #A35527
triadic
#A32737 #37A327 #2737A3
tetradic
#A32737 #75A327 #27A393 #5527A3
square
#A32737 #75A327 #27A393 #5527A3
split-complementary
#A32737 #27A355 #2775A3
monochromatic
#400F16 #721B26 #A32737 #CF384B #DB6978

Accessibility & contrast

On white

7.23
#A32737 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.90
#A32737 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A32737
7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A32737#FFFFFF#000000##FFFFFF
##A327371.007.232.907.23
#FFFFFF7.231.0021.001.00
#0000002.9021.001.0021.00
##FFFFFF7.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A4637
Deuteranopia (green-blind)
#6A6033
Tritanopia (blue-blind)
#B3002E
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #a32737;
/* rgb */ color: rgb(163, 39, 55);
/* oklch */ color: oklch(47.6% 0.159 19.0);
Tailwind
colors: {
  custom: {
    50: '#c66c6d',
    500: '#a32737',
    950: '#000000',
  },
}
SCSS
$custom: #a32737;
$custom-light: #c66c6d;
$custom-dark: #000000;
JSON
{
  "hex": "#a32737",
  "rgb": {
    "r": 163,
    "g": 39,
    "b": 55
  },
  "hsl": {
    "h": 352.258,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47633,
    "c": 0.15922,
    "h": 19
  },
  "luminance": 0.09513
}

Semantic roles & 50–950 ramp

primary
#A32737
secondary
#64C1B5
accent
#E4D043
background
#FDF6F6
surface
#FAECEB
border
#D3C7C6
text
#140707
muted
#837A7A

Preview Lab

Preview with #A32737

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

Preview Lab → · Contrast checker → · Palette generator →

#A32737 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva