#A43729#A43729

#A43729 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.147 H 30.3°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX#A43729
RGBrgb(164, 55, 41)
HSLhsl(7, 60%, 40%)
HSVhsv(7, 75%, 64%)
CMYKcmyk(0%, 66.5%, 75%, 35.7%)
CIE-LABlab(39.22, 44.13, 32.98)
CIE-LCHlch(39.22, 55.09, 36.77°)
OKLaboklab(49.29% 0.1265 0.074)
OKLCHoklch(49.29% 0.147 30.3)
XYZxyz(17.0781, 10.7875, 3.2803)
Luminance0.1079 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A43729 #2996A4
analogous
#A42959 #A43729 #A47429
triadic
#A43729 #29A437 #3729A4
tetradic
#A43729 #59A429 #2996A4 #7429A4
square
#A43729 #59A429 #2996A4 #7429A4
split-complementary
#A43729 #29A474 #2959A4
monochromatic
#421611 #73271D #A43729 #CE4D3C #DA796D

Accessibility & contrast

On white

6.65
#A43729 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#A43729 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43729
6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A43729#FFFFFF#000000##FFFFFF
##A437291.006.653.166.65
#FFFFFF6.651.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564D27
Deuteranopia (green-blind)
#716525
Tritanopia (blue-blind)
#B41934
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a43729;
/* rgb */ color: rgb(164, 55, 41);
/* oklch */ color: oklch(49.3% 0.147 30.3);
Tailwind
colors: {
  custom: {
    50: '#c77463',
    500: '#a43729',
    950: '#000000',
  },
}
SCSS
$custom: #a43729;
$custom-light: #c77463;
$custom-dark: #000000;
JSON
{
  "hex": "#a43729",
  "rgb": {
    "r": 164,
    "g": 55,
    "b": 41
  },
  "hsl": {
    "h": 6.829,
    "s": 60,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4929,
    "c": 0.14652,
    "h": 30.3
  },
  "luminance": 0.10785
}

Semantic roles & 50–950 ramp

primary
#A43729
secondary
#68B7C1
accent
#D1E345
background
#FDF7F5
surface
#FAEDEA
border
#D3C8C6
text
#140805
muted
#837B79

Preview Lab

Preview with #A43729

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

Preview Lab → · Contrast checker → · Palette generator →

#A43729 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva