#A1183A#A1183A

#A1183A is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.2% C 0.169 H 14.3°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX#A1183A
RGBrgb(161, 24, 58)
HSLhsl(345, 74%, 36%)
HSVhsv(345, 85%, 63%)
CMYKcmyk(0%, 85.1%, 64%, 36.9%)
CIE-LABlab(35.08, 54.69, 17.32)
CIE-LCHlch(35.08, 57.37, 17.58°)
OKLaboklab(46.19% 0.1641 0.042)
OKLCHoklch(46.19% 0.169 14.3)
XYZxyz(15.7900, 8.5383, 4.8188)
Luminance0.0854 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A1183A #18A17F
analogous
#A1187F #A1183A #A13A18
triadic
#A1183A #3AA118 #183AA1
tetradic
#A1183A #7FA118 #18A17F #3A18A1
square
#A1183A #7FA118 #18A17F #3A18A1
split-complementary
#A1183A #18A13A #187FA1
monochromatic
#360814 #6C1027 #A1183A #D6204D #E54F74

Accessibility & contrast

On white

7.76
#A1183A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#A1183A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A1183A
7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A1183A#FFFFFF#000000##FFFFFF
##A1183A1.007.762.717.76
#FFFFFF7.761.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#42413A
Deuteranopia (green-blind)
#655C36
Tritanopia (blue-blind)
#B10028
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #a1183a;
/* rgb */ color: rgb(161, 24, 58);
/* oklch */ color: oklch(46.2% 0.169 14.3);
Tailwind
colors: {
  custom: {
    50: '#c4666f',
    500: '#a1183a',
    950: '#000000',
  },
}
SCSS
$custom: #a1183a;
$custom-light: #c4666f;
$custom-dark: #000000;
JSON
{
  "hex": "#a1183a",
  "rgb": {
    "r": 161,
    "g": 24,
    "b": 58
  },
  "hsl": {
    "h": 345.109,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46189,
    "c": 0.16941,
    "h": 14.3
  },
  "luminance": 0.08536
}

Semantic roles & 50–950 ramp

primary
#A1183A
secondary
#4EC7A9
accent
#F1C337
background
#FDF6F6
surface
#FAEBEC
border
#D3C6C7
text
#140707
muted
#837A7A

Preview Lab

Preview with #A1183A

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

Preview Lab → · Contrast checker → · Palette generator →

#A1183A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva