#A64837#A64837

#A64837 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.1% C 0.128 H 32.1°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX#A64837
RGBrgb(166, 72, 55)
HSLhsl(9, 50%, 43%)
HSVhsv(9, 67%, 65%)
CMYKcmyk(0%, 56.6%, 66.9%, 34.9%)
CIE-LABlab(42.79, 37.57, 29.08)
CIE-LCHlch(42.79, 47.51, 37.75°)
OKLaboklab(52.11% 0.1086 0.068)
OKLCHoklch(52.11% 0.128 32.1)
XYZxyz(18.7346, 13.0199, 5.1402)
Luminance0.1302 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A64837 #3795A6
analogous
#A6375D #A64837 #A67F37
triadic
#A64837 #37A648 #4837A6
tetradic
#A64837 #5DA637 #3795A6 #7F37A6
square
#A64837 #5DA637 #3795A6 #7F37A6
split-complementary
#A64837 #37A67F #375DA6
monochromatic
#4A2019 #783428 #A64837 #C66554 #D68F82

Accessibility & contrast

On white

5.83
#A64837 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.60
#A64837 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64837
5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A64837#FFFFFF#000000##FFFFFF
##A648371.005.833.605.83
#FFFFFF5.831.0021.001.00
#0000003.6021.001.0021.00
##FFFFFF5.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#615835
Deuteranopia (green-blind)
#786D35
Tritanopia (blue-blind)
#B63544
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #a64837;
/* rgb */ color: rgb(166, 72, 55);
/* oklch */ color: oklch(52.1% 0.128 32.1);
Tailwind
colors: {
  custom: {
    50: '#c67e6e',
    500: '#a64837',
    950: '#000000',
  },
}
SCSS
$custom: #a64837;
$custom-light: #c67e6e;
$custom-dark: #000000;
JSON
{
  "hex": "#a64837",
  "rgb": {
    "r": 166,
    "g": 72,
    "b": 55
  },
  "hsl": {
    "h": 9.189,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.5211,
    "c": 0.1281,
    "h": 32.1
  },
  "luminance": 0.13018
}

Semantic roles & 50–950 ramp

primary
#A64837
secondary
#7AB4BF
accent
#C4DA4E
background
#FCF7F6
surface
#F9EEEC
border
#D2C9C7
text
#140A07
muted
#827C7A

Preview Lab

Preview with #A64837

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

Preview Lab → · Contrast checker → · Palette generator →

#A64837 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva