#A0371E#A0371E

#A0371E is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.5% C 0.144 H 34.6°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX#A0371E
RGBrgb(160, 55, 30)
HSLhsl(12, 68%, 37%)
HSVhsv(12, 81%, 63%)
CMYKcmyk(0%, 65.6%, 81.3%, 37.3%)
CIE-LABlab(38.38, 42.26, 37.92)
CIE-LCHlch(38.38, 56.78, 41.91°)
OKLaboklab(48.49% 0.1189 0.082)
OKLCHoklch(48.49% 0.144 34.6)
XYZxyz(16.0995, 10.3020, 2.3688)
Luminance0.1030 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A0371E #1E87A0
analogous
#A01E46 #A0371E #A0781E
triadic
#A0371E #1EA037 #371EA0
tetradic
#A0371E #46A01E #1E87A0 #781EA0
square
#A0371E #46A01E #1E87A0 #781EA0
split-complementary
#A0371E #1EA078 #1E46A0
monochromatic
#39140B #6C2514 #A0371E #D44928 #E07359

Accessibility & contrast

On white

6.86
#A0371E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.06
#A0371E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A0371E
6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A0371E#FFFFFF#000000##FFFFFF
##A0371E1.006.863.066.86
#FFFFFF6.861.0021.001.00
#0000003.0621.001.0021.00
##FFFFFF6.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554C1A
Deuteranopia (green-blind)
#6F631A
Tritanopia (blue-blind)
#B01932
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #a0371e;
/* rgb */ color: rgb(160, 55, 30);
/* oklch */ color: oklch(48.5% 0.144 34.6);
Tailwind
colors: {
  custom: {
    50: '#c4735c',
    500: '#a0371e',
    950: '#000000',
  },
}
SCSS
$custom: #a0371e;
$custom-light: #c4735c;
$custom-dark: #000000;
JSON
{
  "hex": "#a0371e",
  "rgb": {
    "r": 160,
    "g": 55,
    "b": 30
  },
  "hsl": {
    "h": 11.538,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.48485,
    "c": 0.14441,
    "h": 34.6
  },
  "luminance": 0.103
}

Semantic roles & 50–950 ramp

primary
#A0371E
secondary
#56AFC4
accent
#CAEB3D
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79

Preview Lab

Preview with #A0371E

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

Preview Lab → · Contrast checker → · Palette generator →

#A0371E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva