#A0221A#A0221A

#A0221A is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.2% C 0.163 H 28.9°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX#A0221A
RGBrgb(160, 34, 26)
HSLhsl(4, 72%, 36%)
HSVhsv(4, 84%, 63%)
CMYKcmyk(0%, 78.8%, 83.8%, 37.3%)
CIE-LABlab(35.39, 50.23, 37.17)
CIE-LCHlch(35.39, 62.49, 36.50°)
OKLaboklab(46.24% 0.143 0.0788)
OKLCHoklch(46.24% 0.163 28.9)
XYZxyz(15.2576, 8.6947, 1.8520)
Luminance0.0869 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A0221A #1A98A0
analogous
#A01A55 #A0221A #A0651A
triadic
#A0221A #1AA022 #221AA0
tetradic
#A0221A #55A01A #1A98A0 #651AA0
square
#A0221A #55A01A #1A98A0 #651AA0
split-complementary
#A0221A #1AA065 #1A55A0
monochromatic
#370C09 #6B1711 #A0221A #D52D23 #E35A52

Accessibility & contrast

On white

7.67
#A0221A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#A0221A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0221A
7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A0221A#FFFFFF#000000##FFFFFF
##A0221A1.007.672.747.67
#FFFFFF7.671.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A4217
Deuteranopia (green-blind)
#695D13
Tritanopia (blue-blind)
#B10022
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #a0221a;
/* rgb */ color: rgb(160, 34, 26);
/* oklch */ color: oklch(46.2% 0.163 28.9);
Tailwind
colors: {
  custom: {
    50: '#c56958',
    500: '#a0221a',
    950: '#000000',
  },
}
SCSS
$custom: #a0221a;
$custom-light: #c56958;
$custom-dark: #000000;
JSON
{
  "hex": "#a0221a",
  "rgb": {
    "r": 160,
    "g": 34,
    "b": 26
  },
  "hsl": {
    "h": 3.582,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.46236,
    "c": 0.16325,
    "h": 28.9
  },
  "luminance": 0.08692
}

Semantic roles & 50–950 ramp

primary
#A0221A
secondary
#50BEC5
accent
#E4EF39
background
#FDF6F5
surface
#FAEBE9
border
#D3C6C5
text
#150703
muted
#837A78

Preview Lab

Preview with #A0221A

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

Preview Lab → · Contrast checker → · Palette generator →

#A0221A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva