#A3273C#A3273C

#A3273C is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.7% C 0.159 H 16.5°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX#A3273C
RGBrgb(163, 39, 60)
HSLhsl(350, 61%, 40%)
HSVhsv(350, 76%, 64%)
CMYKcmyk(0%, 76.1%, 63.2%, 36.1%)
CIE-LABlab(37.05, 51.08, 18.70)
CIE-LCHlch(37.05, 54.39, 20.11°)
OKLaboklab(47.73% 0.1526 0.0453)
OKLCHoklch(47.73% 0.159 16.5)
XYZxyz(16.6471, 9.5663, 5.2440)
Luminance0.0956 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A3273C #27A38E
analogous
#A3277A #A3273C #A35027
triadic
#A3273C #3CA327 #273CA3
tetradic
#A3273C #7AA327 #27A38E #5027A3
square
#A3273C #7AA327 #27A38E #5027A3
split-complementary
#A3273C #27A350 #277AA3
monochromatic
#400F18 #721B2A #A3273C #CF3852 #DB697D

Accessibility & contrast

On white

7.21
#A3273C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.91
#A3273C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3273C
7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A3273C#FFFFFF#000000##FFFFFF
##A3273C1.007.212.917.21
#FFFFFF7.211.0021.001.00
#0000002.9121.001.0021.00
##FFFFFF7.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A473C
Deuteranopia (green-blind)
#696139
Tritanopia (blue-blind)
#B30030
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #a3273c;
/* rgb */ color: rgb(163, 39, 60);
/* oklch */ color: oklch(47.7% 0.159 16.5);
Tailwind
colors: {
  custom: {
    50: '#c56c71',
    500: '#a3273c',
    950: '#000000',
  },
}
SCSS
$custom: #a3273c;
$custom-light: #c56c71;
$custom-dark: #000000;
JSON
{
  "hex": "#a3273c",
  "rgb": {
    "r": 163,
    "g": 39,
    "b": 60
  },
  "hsl": {
    "h": 349.839,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47732,
    "c": 0.15918,
    "h": 16.5
  },
  "luminance": 0.09564
}

Semantic roles & 50–950 ramp

primary
#A3273C
secondary
#64C1B2
accent
#E4C943
background
#FDF6F6
surface
#FAECEC
border
#D3C7C7
text
#140707
muted
#837A7A

Preview Lab

Preview with #A3273C

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

Preview Lab → · Contrast checker → · Palette generator →

#A3273C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva