#A33223#A33223

#A33223 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.151 H 30.7°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX#A33223
RGBrgb(163, 50, 35)
HSLhsl(7, 65%, 39%)
HSVhsv(7, 79%, 64%)
CMYKcmyk(0%, 69.3%, 78.5%, 36.1%)
CIE-LABlab(38.18, 45.65, 35.20)
CIE-LCHlch(38.18, 57.65, 37.64°)
OKLaboklab(48.46% 0.1301 0.0773)
OKLCHoklch(48.46% 0.151 30.7)
XYZxyz(16.5501, 10.1916, 2.6855)
Luminance0.1019 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33223 #2394A3
analogous
#A32354 #A33223 #A37223
triadic
#A33223 #23A332 #3223A3
tetradic
#A33223 #54A323 #2394A3 #7223A3
square
#A33223 #54A323 #2394A3 #7223A3
split-complementary
#A33223 #23A372 #2354A3
monochromatic
#3E130D #712318 #A33223 #D34431 #DD7163

Accessibility & contrast

On white

6.91
#A33223 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.04
#A33223 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33223
6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33223#FFFFFF#000000##FFFFFF
##A332231.006.913.046.91
#FFFFFF6.911.0021.001.00
#0000003.0421.001.0021.00
##FFFFFF6.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534A20
Deuteranopia (green-blind)
#6F631E
Tritanopia (blue-blind)
#B40B2F
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #a33223;
/* rgb */ color: rgb(163, 50, 35);
/* oklch */ color: oklch(48.5% 0.151 30.7);
Tailwind
colors: {
  custom: {
    50: '#c6715f',
    500: '#a33223',
    950: '#000000',
  },
}
SCSS
$custom: #a33223;
$custom-light: #c6715f;
$custom-dark: #000000;
JSON
{
  "hex": "#a33223",
  "rgb": {
    "r": 163,
    "g": 50,
    "b": 35
  },
  "hsl": {
    "h": 7.031,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.48457,
    "c": 0.15135,
    "h": 30.7
  },
  "luminance": 0.10189
}

Semantic roles & 50–950 ramp

primary
#A33223
secondary
#5FB7C3
accent
#D4E840
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150804
muted
#837B79

Preview Lab

Preview with #A33223

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

Preview Lab → · Contrast checker → · Palette generator →

#A33223 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva