#A4402B#A4402B

#A4402B is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.5% C 0.137 H 33.6°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX#A4402B
RGBrgb(164, 64, 43)
HSLhsl(10, 58%, 41%)
HSVhsv(10, 74%, 64%)
CMYKcmyk(0%, 61%, 73.8%, 35.7%)
CIE-LABlab(40.79, 40.09, 33.58)
CIE-LCHlch(40.79, 52.30, 39.95°)
OKLaboklab(50.48% 0.1143 0.0758)
OKLCHoklch(50.48% 0.137 33.6)
XYZxyz(17.5811, 11.7361, 3.6245)
Luminance0.1173 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A4402B #2B8FA4
analogous
#A42B53 #A4402B #A47C2B
triadic
#A4402B #2BA440 #402BA4
tetradic
#A4402B #53A42B #2B8FA4 #7C2BA4
square
#A4402B #53A42B #2B8FA4 #7C2BA4
split-complementary
#A4402B #2BA47C #2B53A4
monochromatic
#431A12 #742D1E #A4402B #CD583F #D98270

Accessibility & contrast

On white

6.27
#A4402B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.35
#A4402B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4402B
6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A4402B#FFFFFF#000000##FFFFFF
##A4402B1.006.273.356.27
#FFFFFF6.271.0021.001.00
#0000003.3521.001.0021.00
##FFFFFF6.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B5228
Deuteranopia (green-blind)
#746828
Tritanopia (blue-blind)
#B4293C
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #a4402b;
/* rgb */ color: rgb(164, 64, 43);
/* oklch */ color: oklch(50.5% 0.137 33.6);
Tailwind
colors: {
  custom: {
    50: '#c67965',
    500: '#a4402b',
    950: '#000000',
  },
}
SCSS
$custom: #a4402b;
$custom-light: #c67965;
$custom-dark: #000000;
JSON
{
  "hex": "#a4402b",
  "rgb": {
    "r": 164,
    "g": 64,
    "b": 43
  },
  "hsl": {
    "h": 10.413,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50483,
    "c": 0.13711,
    "h": 33.6
  },
  "luminance": 0.11734
}

Semantic roles & 50–950 ramp

primary
#A4402B
secondary
#6AB2C1
accent
#C7E246
background
#FDF7F6
surface
#FAEEEB
border
#D3C9C6
text
#140906
muted
#837B7A

Preview Lab

Preview with #A4402B

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

Preview Lab → · Contrast checker → · Palette generator →

#A4402B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva