#A0391C#A0391C

#A0391C is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.7% C 0.143 H 36.1°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX#A0391C
RGBrgb(160, 57, 28)
HSLhsl(13, 70%, 37%)
HSVhsv(13, 83%, 63%)
CMYKcmyk(0%, 64.4%, 82.5%, 37.3%)
CIE-LABlab(38.70, 41.28, 39.26)
CIE-LCHlch(38.70, 56.97, 43.56°)
OKLaboklab(48.72% 0.1155 0.0842)
OKLCHoklch(48.72% 0.143 36.1)
XYZxyz(16.1717, 10.4860, 2.2708)
Luminance0.1048 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A0391C #1C83A0
analogous
#A01C41 #A0391C #A07B1C
triadic
#A0391C #1CA039 #391CA0
tetradic
#A0391C #41A01C #1C83A0 #7B1CA0
square
#A0391C #41A01C #1C83A0 #7B1CA0
split-complementary
#A0391C #1CA07B #1C41A0
monochromatic
#38140A #6C2613 #A0391C #D44C25 #E17455

Accessibility & contrast

On white

6.78
#A0391C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.10
#A0391C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A0391C
6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A0391C#FFFFFF#000000##FFFFFF
##A0391C1.006.783.106.78
#FFFFFF6.781.0021.001.00
#0000003.1021.001.0021.00
##FFFFFF6.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574D18
Deuteranopia (green-blind)
#706418
Tritanopia (blue-blind)
#B01D33
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a0391c;
/* rgb */ color: rgb(160, 57, 28);
/* oklch */ color: oklch(48.7% 0.143 36.1);
Tailwind
colors: {
  custom: {
    50: '#c4745b',
    500: '#a0391c',
    950: '#000000',
  },
}
SCSS
$custom: #a0391c;
$custom-light: #c4745b;
$custom-dark: #000000;
JSON
{
  "hex": "#a0391c",
  "rgb": {
    "r": 160,
    "g": 57,
    "b": 28
  },
  "hsl": {
    "h": 13.182,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.48722,
    "c": 0.14297,
    "h": 36.1
  },
  "luminance": 0.10484
}

Semantic roles & 50–950 ramp

primary
#A0391C
secondary
#53ACC4
accent
#C6ED3B
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79

Preview Lab

Preview with #A0391C

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

Preview Lab → · Contrast checker → · Palette generator →

#A0391C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva