#A72428#A72428

#A72428 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.167 H 24.9°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX#A72428
RGBrgb(167, 36, 40)
HSLhsl(358, 65%, 40%)
HSVhsv(358, 78%, 65%)
CMYKcmyk(0%, 78.4%, 76%, 34.5%)
CIE-LABlab(37.18, 52.24, 31.45)
CIE-LCHlch(37.18, 60.98, 31.05°)
OKLaboklab(47.86% 0.1514 0.0703)
OKLCHoklch(47.86% 0.167 24.9)
XYZxyz(16.9522, 9.6331, 2.9738)
Luminance0.0963 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A72428 #24A7A3
analogous
#A7246A #A72428 #A76224
triadic
#A72428 #28A724 #2428A7
tetradic
#A72428 #6AA724 #24A7A3 #6224A7
square
#A72428 #6AA724 #24A7A3 #6224A7
split-complementary
#A72428 #24A762 #246AA7
monochromatic
#420E10 #75191C #A72428 #D3353A #DE676B

Accessibility & contrast

On white

7.18
#A72428 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.93
#A72428 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A72428
7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A72428#FFFFFF#000000##FFFFFF
##A724281.007.182.937.18
#FFFFFF7.181.0021.001.00
#0000002.9321.001.0021.00
##FFFFFF7.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C4527
Deuteranopia (green-blind)
#6D6223
Tritanopia (blue-blind)
#B80027
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #a72428;
/* rgb */ color: rgb(167, 36, 40);
/* oklch */ color: oklch(47.9% 0.167 24.9);
Tailwind
colors: {
  custom: {
    50: '#ca6b62',
    500: '#a72428',
    950: '#000000',
  },
}
SCSS
$custom: #a72428;
$custom-light: #ca6b62;
$custom-dark: #000000;
JSON
{
  "hex": "#a72428",
  "rgb": {
    "r": 167,
    "g": 36,
    "b": 40
  },
  "hsl": {
    "h": 358.168,
    "s": 64.532,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47863,
    "c": 0.16691,
    "h": 24.9
  },
  "luminance": 0.0963
}

Semantic roles & 50–950 ramp

primary
#A72428
secondary
#63C4C1
accent
#E8E240
background
#FDF6F5
surface
#FBECEA
border
#D4C7C6
text
#150705
muted
#837A79

Preview Lab

Preview with #A72428

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

Preview Lab → · Contrast checker → · Palette generator →

#A72428 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva