#A9231F#A9231F

#A9231F is a mid, vivid red. Relative luminance 0.097; OKLCH L 48.0% C 0.171 H 27.7°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX#A9231F
RGBrgb(169, 35, 31)
HSLhsl(2, 69%, 39%)
HSVhsv(2, 82%, 66%)
CMYKcmyk(0%, 79.3%, 81.7%, 33.7%)
CIE-LABlab(37.37, 52.84, 36.98)
CIE-LCHlch(37.37, 64.49, 34.98°)
OKLaboklab(48.05% 0.1511 0.0794)
OKLCHoklch(48.05% 0.171 27.7)
XYZxyz(17.2127, 9.7388, 2.2695)
Luminance0.0974 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A9231F #1FA5A9
analogous
#A91F60 #A9231F #A9681F
triadic
#A9231F #1FA923 #231FA9
tetradic
#A9231F #60A91F #1FA5A9 #681FA9
square
#A9231F #60A91F #1FA5A9 #681FA9
split-complementary
#A9231F #1FA968 #1F60A9
monochromatic
#420E0C #751816 #A9231F #D8322D #E26460

Accessibility & contrast

On white

7.13
#A9231F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.95
#A9231F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A9231F
7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A9231F#FFFFFF#000000##FFFFFF
##A9231F1.007.132.957.13
#FFFFFF7.131.0021.001.00
#0000002.9521.001.0021.00
##FFFFFF7.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E451D
Deuteranopia (green-blind)
#6E6218
Tritanopia (blue-blind)
#BB0024
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #a9231f;
/* rgb */ color: rgb(169, 35, 31);
/* oklch */ color: oklch(48.0% 0.171 27.7);
Tailwind
colors: {
  custom: {
    50: '#cc6b5c',
    500: '#a9231f',
    950: '#000000',
  },
}
SCSS
$custom: #a9231f;
$custom-light: #cc6b5c;
$custom-dark: #000000;
JSON
{
  "hex": "#a9231f",
  "rgb": {
    "r": 169,
    "g": 35,
    "b": 31
  },
  "hsl": {
    "h": 1.739,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.48047,
    "c": 0.1707,
    "h": 27.7
  },
  "luminance": 0.09736
}

Semantic roles & 50–950 ramp

primary
#A9231F
secondary
#5DC4C7
accent
#E7EC3C
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#150704
muted
#837A79

Preview Lab

Preview with #A9231F

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

Preview Lab → · Contrast checker → · Palette generator →

#A9231F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva