#A83733#A83733

#A83733 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.1% C 0.149 H 26.1°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX#A83733
RGBrgb(168, 55, 51)
HSLhsl(2, 53%, 43%)
HSVhsv(2, 70%, 66%)
CMYKcmyk(0%, 67.3%, 69.6%, 34.1%)
CIE-LABlab(40.08, 46.02, 28.27)
CIE-LCHlch(40.08, 54.01, 31.57°)
OKLaboklab(50.11% 0.134 0.0655)
OKLCHoklch(50.11% 0.149 26.1)
XYZxyz(18.1141, 11.2988, 4.3584)
Luminance0.1130 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A83733 #33A4A8
analogous
#A8336A #A83733 #A87133
triadic
#A83733 #33A837 #3733A8
tetradic
#A83733 #6AA833 #33A4A8 #7133A8
square
#A83733 #6AA833 #33A4A8 #7133A8
split-complementary
#A83733 #33A871 #336AA8
monochromatic
#4A1816 #792825 #A83733 #C9534F #D8817E

Accessibility & contrast

On white

6.44
#A83733 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.26
#A83733 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A83733
6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A83733#FFFFFF#000000##FFFFFF
##A837331.006.443.266.44
#FFFFFF6.441.0021.001.00
#0000003.2621.001.0021.00
##FFFFFF6.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564F32
Deuteranopia (green-blind)
#726730
Tritanopia (blue-blind)
#B91937
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #a83733;
/* rgb */ color: rgb(168, 55, 51);
/* oklch */ color: oklch(50.1% 0.149 26.1);
Tailwind
colors: {
  custom: {
    50: '#c9746b',
    500: '#a83733',
    950: '#000000',
  },
}
SCSS
$custom: #a83733;
$custom-light: #c9746b;
$custom-dark: #000000;
JSON
{
  "hex": "#a83733",
  "rgb": {
    "r": 168,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 2.051,
    "s": 53.425,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50112,
    "c": 0.14915,
    "h": 26.1
  },
  "luminance": 0.11296
}

Semantic roles & 50–950 ramp

primary
#A83733
secondary
#76BEC1
accent
#D8DD4B
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#150906
muted
#837B7A

Preview Lab

Preview with #A83733

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

Preview Lab → · Contrast checker → · Palette generator →

#A83733 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva