#A0231E#A0231E

#A0231E is a mid, vivid red. Relative luminance 0.088; OKLCH L 46.4% C 0.162 H 27.9°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX#A0231E
RGBrgb(160, 35, 30)
HSLhsl(2, 68%, 37%)
HSVhsv(2, 81%, 63%)
CMYKcmyk(0%, 78.1%, 81.3%, 37.3%)
CIE-LABlab(35.54, 50.03, 35.11)
CIE-LCHlch(35.54, 61.13, 35.06°)
OKLaboklab(46.36% 0.1431 0.0758)
OKLCHoklch(46.36% 0.162 27.9)
XYZxyz(15.3344, 8.7718, 2.1138)
Luminance0.0877 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A0231E #1E9BA0
analogous
#A01E5A #A0231E #A0641E
triadic
#A0231E #1EA023 #231EA0
tetradic
#A0231E #5AA01E #1E9BA0 #641EA0
square
#A0231E #5AA01E #1E9BA0 #641EA0
split-complementary
#A0231E #1EA064 #1E5AA0
monochromatic
#390C0B #6C1814 #A0231E #D42E28 #E05E59

Accessibility & contrast

On white

7.63
#A0231E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.75
#A0231E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0231E
7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A0231E#FFFFFF#000000##FFFFFF
##A0231E1.007.632.757.63
#FFFFFF7.631.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A421C
Deuteranopia (green-blind)
#695D18
Tritanopia (blue-blind)
#B10024
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #a0231e;
/* rgb */ color: rgb(160, 35, 30);
/* oklch */ color: oklch(46.4% 0.162 27.9);
Tailwind
colors: {
  custom: {
    50: '#c5695b',
    500: '#a0231e',
    950: '#000000',
  },
}
SCSS
$custom: #a0231e;
$custom-light: #c5695b;
$custom-dark: #000000;
JSON
{
  "hex": "#a0231e",
  "rgb": {
    "r": 160,
    "g": 35,
    "b": 30
  },
  "hsl": {
    "h": 2.308,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46361,
    "c": 0.16197,
    "h": 27.9
  },
  "luminance": 0.08769
}

Semantic roles & 50–950 ramp

primary
#A0231E
secondary
#56BFC4
accent
#E5EB3D
background
#FDF6F5
surface
#FAEBE9
border
#D3C6C5
text
#150704
muted
#837A79

Preview Lab

Preview with #A0231E

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

Preview Lab → · Contrast checker → · Palette generator →

#A0231E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva