#A33520#A33520

#A33520 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.8% C 0.149 H 32.9°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX#A33520
RGBrgb(163, 53, 32)
HSLhsl(10, 67%, 38%)
HSVhsv(10, 80%, 64%)
CMYKcmyk(0%, 67.5%, 80.4%, 36.1%)
CIE-LABlab(38.62, 44.28, 37.29)
CIE-LCHlch(38.62, 57.89, 40.10°)
OKLaboklab(48.77% 0.1252 0.081)
OKLCHoklch(48.77% 0.149 32.9)
XYZxyz(16.6400, 10.4395, 2.5051)
Luminance0.1044 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33520 #208EA3
analogous
#A3204D #A33520 #A37620
triadic
#A33520 #20A335 #3520A3
tetradic
#A33520 #4DA320 #208EA3 #7620A3
square
#A33520 #4DA320 #208EA3 #7620A3
split-complementary
#A33520 #20A376 #204DA3
monochromatic
#3D140C #702416 #A33520 #D5462B #DF735E

Accessibility & contrast

On white

6.80
#A33520 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.09
#A33520 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33520
6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33520#FFFFFF#000000##FFFFFF
##A335201.006.803.096.80
#FFFFFF6.801.0021.001.00
#0000003.0921.001.0021.00
##FFFFFF6.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554C1D
Deuteranopia (green-blind)
#70641B
Tritanopia (blue-blind)
#B41331
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a33520;
/* rgb */ color: rgb(163, 53, 32);
/* oklch */ color: oklch(48.8% 0.149 32.9);
Tailwind
colors: {
  custom: {
    50: '#c6725d',
    500: '#a33520',
    950: '#000000',
  },
}
SCSS
$custom: #a33520;
$custom-light: #c6725d;
$custom-dark: #000000;
JSON
{
  "hex": "#a33520",
  "rgb": {
    "r": 163,
    "g": 53,
    "b": 32
  },
  "hsl": {
    "h": 9.618,
    "s": 67.179,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48774,
    "c": 0.14912,
    "h": 32.9
  },
  "luminance": 0.10437
}

Semantic roles & 50–950 ramp

primary
#A33520
secondary
#5BB3C4
accent
#CEEA3E
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150804
muted
#837B79

Preview Lab

Preview with #A33520

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

Preview Lab → · Contrast checker → · Palette generator →

#A33520 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva