#A3282A#A3282A

#A3282A is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.5% C 0.159 H 24.9°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX#A3282A
RGBrgb(163, 40, 42)
HSLhsl(359, 61%, 40%)
HSVhsv(359, 75%, 64%)
CMYKcmyk(0%, 75.5%, 74.2%, 36.1%)
CIE-LABlab(36.88, 49.76, 29.70)
CIE-LCHlch(36.88, 57.95, 30.84°)
OKLaboklab(47.51% 0.1445 0.0672)
OKLCHoklch(47.51% 0.159 24.9)
XYZxyz(16.2828, 9.4738, 3.1613)
Luminance0.0947 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A3282A #28A3A1
analogous
#A32868 #A3282A #A36328
triadic
#A3282A #2AA328 #282AA3
tetradic
#A3282A #68A328 #28A3A1 #6328A3
square
#A3282A #68A328 #28A3A1 #6328A3
split-complementary
#A3282A #28A363 #2868A3
monochromatic
#411011 #721C1D #A3282A #CF3A3C #DB6B6D

Accessibility & contrast

On white

7.26
#A3282A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.89
#A3282A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3282A
7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A3282A#FFFFFF#000000##FFFFFF
##A3282A1.007.262.897.26
#FFFFFF7.261.0021.001.00
#0000002.8921.001.0021.00
##FFFFFF7.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D4629
Deuteranopia (green-blind)
#6B6026
Tritanopia (blue-blind)
#B4002A
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #a3282a;
/* rgb */ color: rgb(163, 40, 42);
/* oklch */ color: oklch(47.5% 0.159 24.9);
Tailwind
colors: {
  custom: {
    50: '#c66c64',
    500: '#a3282a',
    950: '#000000',
  },
}
SCSS
$custom: #a3282a;
$custom-light: #c66c64;
$custom-dark: #000000;
JSON
{
  "hex": "#a3282a",
  "rgb": {
    "r": 163,
    "g": 40,
    "b": 42
  },
  "hsl": {
    "h": 359.024,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.4751,
    "c": 0.15935,
    "h": 24.9
  },
  "luminance": 0.09471
}

Semantic roles & 50–950 ramp

primary
#A3282A
secondary
#66C1C0
accent
#E4E144
background
#FDF6F5
surface
#FAECEA
border
#D3C7C6
text
#140705
muted
#837A79

Preview Lab

Preview with #A3282A

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

Preview Lab → · Contrast checker → · Palette generator →

#A3282A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva