#A64339#A64339

#A64339 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.4% C 0.133 H 28.3°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX#A64339
RGBrgb(166, 67, 57)
HSLhsl(6, 49%, 44%)
HSVhsv(6, 66%, 65%)
CMYKcmyk(0%, 59.6%, 65.7%, 34.9%)
CIE-LABlab(41.87, 40.17, 26.79)
CIE-LCHlch(41.87, 48.28, 33.70°)
OKLaboklab(51.43% 0.1171 0.0632)
OKLCHoklch(51.43% 0.133 28.3)
XYZxyz(18.4733, 12.4191, 5.2944)
Luminance0.1242 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A64339 #399CA6
analogous
#A63965 #A64339 #A67939
triadic
#A64339 #39A643 #4339A6
tetradic
#A64339 #65A639 #399CA6 #7939A6
square
#A64339 #65A639 #399CA6 #7939A6
split-complementary
#A64339 #39A679 #3965A6
monochromatic
#4B1E1A #783129 #A64339 #C56157 #D58C84

Accessibility & contrast

On white

6.03
#A64339 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.48
#A64339 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64339
6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A64339#FFFFFF#000000##FFFFFF
##A643391.006.033.486.03
#FFFFFF6.031.0021.001.00
#0000003.4821.001.0021.00
##FFFFFF6.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D5537
Deuteranopia (green-blind)
#756B37
Tritanopia (blue-blind)
#B62F41
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #a64339;
/* rgb */ color: rgb(166, 67, 57);
/* oklch */ color: oklch(51.4% 0.133 28.3);
Tailwind
colors: {
  custom: {
    50: '#c67b6f',
    500: '#a64339',
    950: '#000000',
  },
}
SCSS
$custom: #a64339;
$custom-light: #c67b6f;
$custom-dark: #000000;
JSON
{
  "hex": "#a64339",
  "rgb": {
    "r": 166,
    "g": 67,
    "b": 57
  },
  "hsl": {
    "h": 5.505,
    "s": 48.879,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51426,
    "c": 0.13301,
    "h": 28.3
  },
  "luminance": 0.12417
}

Semantic roles & 50–950 ramp

primary
#A64339
secondary
#7CB9BF
accent
#CCD84F
background
#FDF7F6
surface
#FAEEEC
border
#D3C9C7
text
#140A07
muted
#837C7A

Preview Lab

Preview with #A64339

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

Preview Lab → · Contrast checker → · Palette generator →

#A64339 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva