#A72421#A72421

#A72421 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.8% C 0.168 H 27.3°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX#A72421
RGBrgb(167, 36, 33)
HSLhsl(1, 67%, 39%)
HSVhsv(1, 80%, 65%)
CMYKcmyk(0%, 78.4%, 80.2%, 34.5%)
CIE-LABlab(37.10, 51.99, 35.45)
CIE-LCHlch(37.10, 62.92, 34.29°)
OKLaboklab(47.78% 0.1491 0.0769)
OKLCHoklch(47.78% 0.168 27.3)
XYZxyz(16.8438, 9.5897, 2.4027)
Luminance0.0959 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A72421 #21A4A7
analogous
#A72161 #A72421 #A76721
triadic
#A72421 #21A724 #2421A7
tetradic
#A72421 #61A721 #21A4A7 #6721A7
square
#A72421 #61A721 #21A4A7 #6721A7
split-complementary
#A72421 #21A767 #2161A7
monochromatic
#410E0D #741917 #A72421 #D6332F #E06562

Accessibility & contrast

On white

7.20
#A72421 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.92
#A72421 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A72421
7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A72421#FFFFFF#000000##FFFFFF
##A724211.007.202.927.20
#FFFFFF7.201.0021.001.00
#0000002.9221.001.0021.00
##FFFFFF7.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D451F
Deuteranopia (green-blind)
#6D611B
Tritanopia (blue-blind)
#B80025
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #a72421;
/* rgb */ color: rgb(167, 36, 33);
/* oklch */ color: oklch(47.8% 0.168 27.3);
Tailwind
colors: {
  custom: {
    50: '#ca6b5d',
    500: '#a72421',
    950: '#000000',
  },
}
SCSS
$custom: #a72421;
$custom-light: #ca6b5d;
$custom-dark: #000000;
JSON
{
  "hex": "#a72421",
  "rgb": {
    "r": 167,
    "g": 36,
    "b": 33
  },
  "hsl": {
    "h": 1.343,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47778,
    "c": 0.16775,
    "h": 27.3
  },
  "luminance": 0.09587
}

Semantic roles & 50–950 ramp

primary
#A72421
secondary
#5FC3C5
accent
#E6EA3E
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#150704
muted
#837A79

Preview Lab

Preview with #A72421

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

Preview Lab → · Contrast checker → · Palette generator →

#A72421 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva