#A43747#A43747

#A43747 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.143 H 15.4°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX#A43747
RGBrgb(164, 55, 71)
HSLhsl(351, 50%, 43%)
HSVhsv(351, 66%, 64%)
CMYKcmyk(0%, 66.5%, 56.7%, 35.7%)
CIE-LABlab(39.72, 45.98, 15.34)
CIE-LCHlch(39.72, 48.47, 18.45°)
OKLaboklab(49.82% 0.1381 0.0381)
OKLCHoklch(49.82% 0.143 15.4)
XYZxyz(17.8150, 11.0822, 7.1610)
Luminance0.1108 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A43747 #37A494
analogous
#A4377D #A43747 #A45E37
triadic
#A43747 #47A437 #3747A4
tetradic
#A43747 #7DA437 #37A494 #5E37A4
square
#A43747 #7DA437 #37A494 #5E37A4
split-complementary
#A43747 #37A45E #377DA4
monochromatic
#48181F #762833 #A43747 #C55364 #D5818D

Accessibility & contrast

On white

6.53
#A43747 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.22
#A43747 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43747
6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A43747#FFFFFF#000000##FFFFFF
##A437471.006.533.226.53
#FFFFFF6.531.0021.001.00
#0000003.2221.001.0021.00
##FFFFFF6.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524F47
Deuteranopia (green-blind)
#6E6644
Tritanopia (blue-blind)
#B3223D
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #a43747;
/* rgb */ color: rgb(164, 55, 71);
/* oklch */ color: oklch(49.8% 0.143 15.4);
Tailwind
colors: {
  custom: {
    50: '#c5747a',
    500: '#a43747',
    950: '#000000',
  },
}
SCSS
$custom: #a43747;
$custom-light: #c5747a;
$custom-dark: #000000;
JSON
{
  "hex": "#a43747",
  "rgb": {
    "r": 164,
    "g": 55,
    "b": 71
  },
  "hsl": {
    "h": 351.193,
    "s": 49.772,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49824,
    "c": 0.1433,
    "h": 15.4
  },
  "luminance": 0.1108
}

Semantic roles & 50–950 ramp

primary
#A43747
secondary
#79BEB4
accent
#D9C54F
background
#FCF7F7
surface
#F9EDED
border
#D2C8C8
text
#140909
muted
#827B7B

Preview Lab

Preview with #A43747

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

Preview Lab → · Contrast checker → · Palette generator →

#A43747 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva