#A43421#A43421

#A43421 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.151 H 32.1°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX#A43421
RGBrgb(164, 52, 33)
HSLhsl(9, 66%, 39%)
HSVhsv(9, 80%, 64%)
CMYKcmyk(0%, 68.3%, 79.9%, 35.7%)
CIE-LABlab(38.66, 45.09, 36.85)
CIE-LCHlch(38.66, 58.23, 39.26°)
OKLaboklab(48.84% 0.1279 0.0802)
OKLCHoklch(48.84% 0.151 32.1)
XYZxyz(16.8143, 10.4608, 2.5723)
Luminance0.1046 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A43421 #2191A4
analogous
#A4214F #A43421 #A47521
triadic
#A43421 #21A434 #3421A4
tetradic
#A43421 #4FA421 #2191A4 #7521A4
square
#A43421 #4FA421 #2191A4 #7521A4
split-complementary
#A43421 #21A475 #214FA4
monochromatic
#3E140C #712417 #A43421 #D5462D #DF7360

Accessibility & contrast

On white

6.79
#A43421 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.09
#A43421 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43421
6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A43421#FFFFFF#000000##FFFFFF
##A434211.006.793.096.79
#FFFFFF6.791.0021.001.00
#0000003.0921.001.0021.00
##FFFFFF6.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544B1E
Deuteranopia (green-blind)
#70641C
Tritanopia (blue-blind)
#B51030
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a43421;
/* rgb */ color: rgb(164, 52, 33);
/* oklch */ color: oklch(48.8% 0.151 32.1);
Tailwind
colors: {
  custom: {
    50: '#c7725e',
    500: '#a43421',
    950: '#000000',
  },
}
SCSS
$custom: #a43421;
$custom-light: #c7725e;
$custom-dark: #000000;
JSON
{
  "hex": "#a43421",
  "rgb": {
    "r": 164,
    "g": 52,
    "b": 33
  },
  "hsl": {
    "h": 8.702,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.4884,
    "c": 0.15094,
    "h": 32.1
  },
  "luminance": 0.10458
}

Semantic roles & 50–950 ramp

primary
#A43421
secondary
#5DB5C4
accent
#D1E93E
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150804
muted
#837B79

Preview Lab

Preview with #A43421

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

Preview Lab → · Contrast checker → · Palette generator →

#A43421 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva