#A33722#A33722

#A33722 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.0% C 0.147 H 33.0°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX#A33722
RGBrgb(163, 55, 34)
HSLhsl(10, 65%, 39%)
HSVhsv(10, 79%, 64%)
CMYKcmyk(0%, 66.3%, 79.1%, 36.1%)
CIE-LABlab(38.96, 43.48, 36.56)
CIE-LCHlch(38.96, 56.81, 40.06°)
OKLaboklab(49.04% 0.1231 0.08)
OKLCHoklch(49.04% 0.147 33)
XYZxyz(16.7611, 10.6368, 2.6836)
Luminance0.1063 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33722 #228EA3
analogous
#A3224E #A33722 #A37722
triadic
#A33722 #22A337 #3722A3
tetradic
#A33722 #4EA322 #228EA3 #7722A3
square
#A33722 #4EA322 #228EA3 #7722A3
split-complementary
#A33722 #22A377 #224EA3
monochromatic
#3E150D #702617 #A33722 #D4492F #DE7661

Accessibility & contrast

On white

6.72
#A33722 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.13
#A33722 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33722
6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33722#FFFFFF#000000##FFFFFF
##A337221.006.723.136.72
#FFFFFF6.721.0021.001.00
#0000003.1321.001.0021.00
##FFFFFF6.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564D1F
Deuteranopia (green-blind)
#71651E
Tritanopia (blue-blind)
#B41833
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a33722;
/* rgb */ color: rgb(163, 55, 34);
/* oklch */ color: oklch(49.0% 0.147 33.0);
Tailwind
colors: {
  custom: {
    50: '#c6735f',
    500: '#a33722',
    950: '#000000',
  },
}
SCSS
$custom: #a33722;
$custom-light: #c6735f;
$custom-dark: #000000;
JSON
{
  "hex": "#a33722",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 34
  },
  "hsl": {
    "h": 9.767,
    "s": 65.482,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49038,
    "c": 0.14684,
    "h": 33
  },
  "luminance": 0.10634
}

Semantic roles & 50–950 ramp

primary
#A33722
secondary
#5EB3C3
accent
#CDE83F
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79

Preview Lab

Preview with #A33722

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

Preview Lab → · Contrast checker → · Palette generator →

#A33722 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva