#A1381F#A1381F

#A1381F is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.144 H 34.6°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX#A1381F
RGBrgb(161, 56, 31)
HSLhsl(12, 68%, 38%)
HSVhsv(12, 81%, 63%)
CMYKcmyk(0%, 65.2%, 80.7%, 36.9%)
CIE-LABlab(38.74, 42.20, 37.81)
CIE-LCHlch(38.74, 56.67, 41.86°)
OKLaboklab(48.79% 0.1188 0.082)
OKLCHoklch(48.79% 0.144 34.6)
XYZxyz(16.3613, 10.5067, 2.4625)
Luminance0.1050 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A1381F #1F88A1
analogous
#A11F47 #A1381F #A1791F
triadic
#A1381F #1FA138 #381FA1
tetradic
#A1381F #47A11F #1F88A1 #791FA1
square
#A1381F #47A11F #1F88A1 #791FA1
split-complementary
#A1381F #1FA179 #1F47A1
monochromatic
#3A140B #6E2615 #A1381F #D44A29 #DF745B

Accessibility & contrast

On white

6.77
#A1381F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.10
#A1381F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1381F
6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A1381F#FFFFFF#000000##FFFFFF
##A1381F1.006.773.106.77
#FFFFFF6.771.0021.001.00
#0000003.1021.001.0021.00
##FFFFFF6.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564D1B
Deuteranopia (green-blind)
#70641B
Tritanopia (blue-blind)
#B11B33
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a1381f;
/* rgb */ color: rgb(161, 56, 31);
/* oklch */ color: oklch(48.8% 0.144 34.6);
Tailwind
colors: {
  custom: {
    50: '#c5745d',
    500: '#a1381f',
    950: '#000000',
  },
}
SCSS
$custom: #a1381f;
$custom-light: #c5745d;
$custom-dark: #000000;
JSON
{
  "hex": "#a1381f",
  "rgb": {
    "r": 161,
    "g": 56,
    "b": 31
  },
  "hsl": {
    "h": 11.538,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.48791,
    "c": 0.14435,
    "h": 34.6
  },
  "luminance": 0.10504
}

Semantic roles & 50–950 ramp

primary
#A1381F
secondary
#58AFC4
accent
#C9EB3D
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79

Preview Lab

Preview with #A1381F

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

Preview Lab → · Contrast checker → · Palette generator →

#A1381F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva