#A72C23#A72C23

#A72C23 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.5% C 0.161 H 28.7°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX#A72C23
RGBrgb(167, 44, 35)
HSLhsl(4, 65%, 40%)
HSVhsv(4, 79%, 65%)
CMYKcmyk(0%, 73.7%, 79%, 34.5%)
CIE-LABlab(38.09, 49.33, 35.35)
CIE-LCHlch(38.09, 60.69, 35.62°)
OKLaboklab(48.53% 0.1412 0.0773)
OKLCHoklch(48.53% 0.161 28.7)
XYZxyz(17.1424, 10.1409, 2.6445)
Luminance0.1014 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A72C23 #239EA7
analogous
#A7235C #A72C23 #A76E23
triadic
#A72C23 #23A72C #2C23A7
tetradic
#A72C23 #5CA723 #239EA7 #6E23A7
square
#A72C23 #5CA723 #239EA7 #6E23A7
split-complementary
#A72C23 #23A76E #235CA7
monochromatic
#42110E #741F18 #A72C23 #D43E33 #DF6E66

Accessibility & contrast

On white

6.94
#A72C23 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.03
#A72C23 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A72C23
6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A72C23#FFFFFF#000000##FFFFFF
##A72C231.006.943.036.94
#FFFFFF6.941.0021.001.00
#0000003.0321.001.0021.00
##FFFFFF6.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#514921
Deuteranopia (green-blind)
#6F631E
Tritanopia (blue-blind)
#B8002B
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #a72c23;
/* rgb */ color: rgb(167, 44, 35);
/* oklch */ color: oklch(48.5% 0.161 28.7);
Tailwind
colors: {
  custom: {
    50: '#ca6e5f',
    500: '#a72c23',
    950: '#000000',
  },
}
SCSS
$custom: #a72c23;
$custom-light: #ca6e5f;
$custom-dark: #000000;
JSON
{
  "hex": "#a72c23",
  "rgb": {
    "r": 167,
    "g": 44,
    "b": 35
  },
  "hsl": {
    "h": 4.091,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48529,
    "c": 0.16095,
    "h": 28.7
  },
  "luminance": 0.10138
}

Semantic roles & 50–950 ramp

primary
#A72C23
secondary
#61BEC4
accent
#DDE83F
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150804
muted
#837B79

Preview Lab

Preview with #A72C23

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

Preview Lab → · Contrast checker → · Palette generator →

#A72C23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva