#A33320#A33320

#A33320 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.5% C 0.151 H 32.1°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX#A33320
RGBrgb(163, 51, 32)
HSLhsl(9, 67%, 38%)
HSVhsv(9, 80%, 64%)
CMYKcmyk(0%, 68.7%, 80.4%, 36.1%)
CIE-LABlab(38.31, 45.13, 36.98)
CIE-LCHlch(38.31, 58.34, 39.33°)
OKLaboklab(48.54% 0.1279 0.0803)
OKLCHoklch(48.54% 0.151 32.1)
XYZxyz(16.5507, 10.2609, 2.4753)
Luminance0.1026 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33320 #2090A3
analogous
#A3204F #A33320 #A37420
triadic
#A33320 #20A333 #3320A3
tetradic
#A33320 #4FA320 #2090A3 #7420A3
square
#A33320 #4FA320 #2090A3 #7420A3
split-complementary
#A33320 #20A374 #204FA3
monochromatic
#3D130C #702316 #A33320 #D5442B #DF715E

Accessibility & contrast

On white

6.88
#A33320 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.05
#A33320 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33320
6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33320#FFFFFF#000000##FFFFFF
##A333201.006.883.056.88
#FFFFFF6.881.0021.001.00
#0000003.0521.001.0021.00
##FFFFFF6.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544A1D
Deuteranopia (green-blind)
#6F631B
Tritanopia (blue-blind)
#B40E30
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #a33320;
/* rgb */ color: rgb(163, 51, 32);
/* oklch */ color: oklch(48.5% 0.151 32.1);
Tailwind
colors: {
  custom: {
    50: '#c7715d',
    500: '#a33320',
    950: '#000000',
  },
}
SCSS
$custom: #a33320;
$custom-light: #c7715d;
$custom-dark: #000000;
JSON
{
  "hex": "#a33320",
  "rgb": {
    "r": 163,
    "g": 51,
    "b": 32
  },
  "hsl": {
    "h": 8.702,
    "s": 67.179,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48539,
    "c": 0.15098,
    "h": 32.1
  },
  "luminance": 0.10258
}

Semantic roles & 50–950 ramp

primary
#A33320
secondary
#5BB5C4
accent
#D1EA3E
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150804
muted
#837B79

Preview Lab

Preview with #A33320

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

Preview Lab → · Contrast checker → · Palette generator →

#A33320 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva