#A1211B#A1211B

#A1211B is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.4% C 0.165 H 28.4°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX#A1211B
RGBrgb(161, 33, 27)
HSLhsl(3, 71%, 37%)
HSVhsv(3, 83%, 63%)
CMYKcmyk(0%, 79.5%, 83.2%, 36.9%)
CIE-LABlab(35.49, 50.88, 36.79)
CIE-LCHlch(35.49, 62.79, 35.87°)
OKLaboklab(46.35% 0.1451 0.0783)
OKLCHoklch(46.35% 0.165 28.4)
XYZxyz(15.4415, 8.7464, 1.9119)
Luminance0.0874 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A1211B #1B9BA1
analogous
#A11B58 #A1211B #A1641B
triadic
#A1211B #1BA121 #211BA1
tetradic
#A1211B #58A11B #1B9BA1 #641BA1
square
#A1211B #58A11B #1B9BA1 #641BA1
split-complementary
#A1211B #1BA164 #1B58A1
monochromatic
#380C09 #6D1612 #A1211B #D52C24 #E25A54

Accessibility & contrast

On white

7.64
#A1211B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.75
#A1211B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A1211B
7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A1211B#FFFFFF#000000##FFFFFF
##A1211B1.007.642.757.64
#FFFFFF7.641.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A4218
Deuteranopia (green-blind)
#695D14
Tritanopia (blue-blind)
#B20021
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #a1211b;
/* rgb */ color: rgb(161, 33, 27);
/* oklch */ color: oklch(46.4% 0.165 28.4);
Tailwind
colors: {
  custom: {
    50: '#c66959',
    500: '#a1211b',
    950: '#000000',
  },
}
SCSS
$custom: #a1211b;
$custom-light: #c66959;
$custom-dark: #000000;
JSON
{
  "hex": "#a1211b",
  "rgb": {
    "r": 161,
    "g": 33,
    "b": 27
  },
  "hsl": {
    "h": 2.687,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.46351,
    "c": 0.16486,
    "h": 28.4
  },
  "luminance": 0.08744
}

Semantic roles & 50–950 ramp

primary
#A1211B
secondary
#52C0C5
accent
#E6EE3A
background
#FDF6F5
surface
#FAEBE9
border
#D3C6C5
text
#150703
muted
#837A78

Preview Lab

Preview with #A1211B

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

Preview Lab → · Contrast checker → · Palette generator →

#A1211B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva