#A1371E#A1371E

#A1371E is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.7% C 0.145 H 34.5°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX#A1371E
RGBrgb(161, 55, 30)
HSLhsl(11, 69%, 37%)
HSVhsv(11, 81%, 63%)
CMYKcmyk(0%, 65.8%, 81.4%, 36.9%)
CIE-LABlab(38.56, 42.62, 38.16)
CIE-LCHlch(38.56, 57.21, 41.84°)
OKLaboklab(48.66% 0.1199 0.0824)
OKLCHoklch(48.66% 0.146 34.5)
XYZxyz(16.3003, 10.4056, 2.3782)
Luminance0.1040 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A1371E #1E88A1
analogous
#A11E47 #A1371E #A1781E
triadic
#A1371E #1EA137 #371EA1
tetradic
#A1371E #47A11E #1E88A1 #781EA1
square
#A1371E #47A11E #1E88A1 #781EA1
split-complementary
#A1371E #1EA178 #1E47A1
monochromatic
#3A140B #6D2514 #A1371E #D54928 #E07359

Accessibility & contrast

On white

6.82
#A1371E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.08
#A1371E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1371E
6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A1371E#FFFFFF#000000##FFFFFF
##A1371E1.006.823.086.82
#FFFFFF6.821.0021.001.00
#0000003.0821.001.0021.00
##FFFFFF6.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554C1A
Deuteranopia (green-blind)
#706419
Tritanopia (blue-blind)
#B11932
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a1371e;
/* rgb */ color: rgb(161, 55, 30);
/* oklch */ color: oklch(48.7% 0.145 34.5);
Tailwind
colors: {
  custom: {
    50: '#c5735c',
    500: '#a1371e',
    950: '#000000',
  },
}
SCSS
$custom: #a1371e;
$custom-light: #c5735c;
$custom-dark: #000000;
JSON
{
  "hex": "#a1371e",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 30
  },
  "hsl": {
    "h": 11.45,
    "s": 68.586,
    "l": 37.451
  },
  "oklch": {
    "l": 0.48656,
    "c": 0.1455,
    "h": 34.5
  },
  "luminance": 0.10403
}

Semantic roles & 50–950 ramp

primary
#A1371E
secondary
#57AFC4
accent
#CAEB3C
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79

Preview Lab

Preview with #A1371E

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

Preview Lab → · Contrast checker → · Palette generator →

#A1371E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva