#A64D31#A64D31

#A64D31 is a mid, vivid red. Relative luminance 0.136; OKLCH L 52.8% C 0.125 H 38.0°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX#A64D31
RGBrgb(166, 77, 49)
HSLhsl(14, 54%, 42%)
HSVhsv(14, 70%, 65%)
CMYKcmyk(0%, 53.6%, 70.5%, 34.9%)
CIE-LABlab(43.71, 34.65, 33.59)
CIE-LCHlch(43.71, 48.26, 44.11°)
OKLaboklab(52.78% 0.0984 0.0769)
OKLCHoklch(52.78% 0.125 38)
XYZxyz(18.9359, 13.6388, 4.5405)
Luminance0.1364 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A64D31 #318AA6
analogous
#A63150 #A64D31 #A68831
triadic
#A64D31 #31A64D #4D31A6
tetradic
#A64D31 #50A631 #318AA6 #8831A6
square
#A64D31 #50A631 #318AA6 #8831A6
split-complementary
#A64D31 #31A688 #3150A6
monochromatic
#472115 #773723 #A64D31 #CA694A #D8907A

Accessibility & contrast

On white

5.63
#A64D31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.73
#A64D31 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64D31
5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A64D31#FFFFFF#000000##FFFFFF
##A64D311.005.633.735.63
#FFFFFF5.631.0021.001.00
#0000003.7321.001.0021.00
##FFFFFF5.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#655B2E
Deuteranopia (green-blind)
#7B6F2F
Tritanopia (blue-blind)
#B63B47
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #a64d31;
/* rgb */ color: rgb(166, 77, 49);
/* oklch */ color: oklch(52.8% 0.125 38.0);
Tailwind
colors: {
  custom: {
    50: '#c6816a',
    500: '#a64d31',
    950: '#000000',
  },
}
SCSS
$custom: #a64d31;
$custom-light: #c6816a;
$custom-dark: #000000;
JSON
{
  "hex": "#a64d31",
  "rgb": {
    "r": 166,
    "g": 77,
    "b": 49
  },
  "hsl": {
    "h": 14.359,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52781,
    "c": 0.12489,
    "h": 38
  },
  "luminance": 0.13636
}

Semantic roles & 50–950 ramp

primary
#A64D31
secondary
#73AEC0
accent
#BADE4A
background
#FDF8F6
surface
#FAEFEB
border
#D3CAC6
text
#140A06
muted
#837C7A

Preview Lab

Preview with #A64D31

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

Preview Lab → · Contrast checker → · Palette generator →

#A64D31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva