#A1331E#A1331E

#A1331E is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.2% C 0.149 H 32.9°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX#A1331E
RGBrgb(161, 51, 30)
HSLhsl(10, 69%, 37%)
HSVhsv(10, 81%, 63%)
CMYKcmyk(0%, 68.3%, 81.4%, 36.9%)
CIE-LABlab(37.92, 44.36, 37.53)
CIE-LCHlch(37.92, 58.11, 40.23°)
OKLaboklab(48.17% 0.1253 0.081)
OKLCHoklch(48.17% 0.149 32.9)
XYZxyz(16.1180, 10.0409, 2.3174)
Luminance0.1004 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A1331E #1E8CA1
analogous
#A11E4B #A1331E #A1741E
triadic
#A1331E #1EA133 #331EA1
tetradic
#A1331E #4BA11E #1E8CA1 #741EA1
square
#A1331E #4BA11E #1E8CA1 #741EA1
split-complementary
#A1331E #1EA174 #1E4BA1
monochromatic
#3A120B #6D2314 #A1331E #D54328 #E06F59

Accessibility & contrast

On white

6.98
#A1331E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.01
#A1331E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1331E
6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A1331E#FFFFFF#000000##FFFFFF
##A1331E1.006.983.016.98
#FFFFFF6.981.0021.001.00
#0000003.0121.001.0021.00
##FFFFFF6.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534A1B
Deuteranopia (green-blind)
#6E6219
Tritanopia (blue-blind)
#B20F2F
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #a1331e;
/* rgb */ color: rgb(161, 51, 30);
/* oklch */ color: oklch(48.2% 0.149 32.9);
Tailwind
colors: {
  custom: {
    50: '#c5715c',
    500: '#a1331e',
    950: '#000000',
  },
}
SCSS
$custom: #a1331e;
$custom-light: #c5715c;
$custom-dark: #000000;
JSON
{
  "hex": "#a1331e",
  "rgb": {
    "r": 161,
    "g": 51,
    "b": 30
  },
  "hsl": {
    "h": 9.618,
    "s": 68.586,
    "l": 37.451
  },
  "oklch": {
    "l": 0.48171,
    "c": 0.14922,
    "h": 32.9
  },
  "luminance": 0.10038
}

Semantic roles & 50–950 ramp

primary
#A1331E
secondary
#57B2C4
accent
#CFEB3C
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79

Preview Lab

Preview with #A1331E

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

Preview Lab → · Contrast checker → · Palette generator →

#A1331E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva