#A33928#A33928

#A33928 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.4% C 0.144 H 31.6°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX#A33928
RGBrgb(163, 57, 40)
HSLhsl(8, 61%, 40%)
HSVhsv(8, 75%, 64%)
CMYKcmyk(0%, 65%, 75.5%, 36.1%)
CIE-LABlab(39.36, 42.84, 33.65)
CIE-LCHlch(39.36, 54.47, 38.15°)
OKLaboklab(49.36% 0.1223 0.0753)
OKLCHoklch(49.36% 0.144 31.6)
XYZxyz(16.9522, 10.8684, 3.2122)
Luminance0.1087 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33928 #2892A3
analogous
#A32854 #A33928 #A37728
triadic
#A33928 #28A339 #3928A3
tetradic
#A33928 #54A328 #2892A3 #7728A3
square
#A33928 #54A328 #2892A3 #7728A3
split-complementary
#A33928 #28A377 #2854A3
monochromatic
#411710 #72281C #A33928 #CF4E3A #DB7A6B

Accessibility & contrast

On white

6.62
#A33928 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.17
#A33928 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33928
6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33928#FFFFFF#000000##FFFFFF
##A339281.006.623.176.62
#FFFFFF6.621.0021.001.00
#0000003.1721.001.0021.00
##FFFFFF6.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574E25
Deuteranopia (green-blind)
#716524
Tritanopia (blue-blind)
#B31D36
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #a33928;
/* rgb */ color: rgb(163, 57, 40);
/* oklch */ color: oklch(49.4% 0.144 31.6);
Tailwind
colors: {
  custom: {
    50: '#c67563',
    500: '#a33928',
    950: '#000000',
  },
}
SCSS
$custom: #a33928;
$custom-light: #c67563;
$custom-dark: #000000;
JSON
{
  "hex": "#a33928",
  "rgb": {
    "r": 163,
    "g": 57,
    "b": 40
  },
  "hsl": {
    "h": 8.293,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49356,
    "c": 0.14364,
    "h": 31.6
  },
  "luminance": 0.10866
}

Semantic roles & 50–950 ramp

primary
#A33928
secondary
#66B4C1
accent
#CEE444
background
#FDF7F5
surface
#FAEDEA
border
#D3C8C6
text
#140905
muted
#837B79

Preview Lab

Preview with #A33928

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

Preview Lab → · Contrast checker → · Palette generator →

#A33928 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva