#A33228#A33228

#A33228 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.150 H 28.9°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#A33228
RGBrgb(163, 50, 40)
HSLhsl(5, 61%, 40%)
HSVhsv(5, 75%, 64%)
CMYKcmyk(0%, 69.3%, 75.5%, 36.1%)
CIE-LABlab(38.24, 45.86, 32.42)
CIE-LCHlch(38.24, 56.16, 35.26°)
OKLaboklab(48.52% 0.1318 0.0726)
OKLCHoklch(48.52% 0.15 28.9)
XYZxyz(16.6297, 10.2234, 3.1047)
Luminance0.1022 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33228 #2899A3
analogous
#A3285C #A33228 #A37028
triadic
#A33228 #28A332 #3228A3
tetradic
#A33228 #5CA328 #2899A3 #7028A3
square
#A33228 #5CA328 #2899A3 #7028A3
split-complementary
#A33228 #28A370 #285CA3
monochromatic
#411410 #72231C #A33228 #CF463A #DB746B

Accessibility & contrast

On white

6.90
#A33228 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.04
#A33228 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33228
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33228#FFFFFF#000000##FFFFFF
##A332281.006.903.046.90
#FFFFFF6.901.0021.001.00
#0000003.0421.001.0021.00
##FFFFFF6.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524A26
Deuteranopia (green-blind)
#6E6324
Tritanopia (blue-blind)
#B40D31
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #a33228;
/* rgb */ color: rgb(163, 50, 40);
/* oklch */ color: oklch(48.5% 0.150 28.9);
Tailwind
colors: {
  custom: {
    50: '#c67162',
    500: '#a33228',
    950: '#000000',
  },
}
SCSS
$custom: #a33228;
$custom-light: #c67162;
$custom-dark: #000000;
JSON
{
  "hex": "#a33228",
  "rgb": {
    "r": 163,
    "g": 50,
    "b": 40
  },
  "hsl": {
    "h": 4.878,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48517,
    "c": 0.15046,
    "h": 28.9
  },
  "luminance": 0.10221
}

Semantic roles & 50–950 ramp

primary
#A33228
secondary
#66BAC1
accent
#D7E444
background
#FDF7F5
surface
#FAEDEA
border
#D3C8C6
text
#140805
muted
#837B79

Preview Lab

Preview with #A33228

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

Preview Lab → · Contrast checker → · Palette generator →

#A33228 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva