#A33643#A33643

#A33643 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.143 H 17.2°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX#A33643
RGBrgb(163, 54, 67)
HSLhsl(353, 50%, 43%)
HSVhsv(353, 67%, 64%)
CMYKcmyk(0%, 66.9%, 58.9%, 36.1%)
CIE-LABlab(39.30, 45.76, 17.25)
CIE-LCHlch(39.30, 48.91, 20.65°)
OKLaboklab(49.45% 0.1369 0.0424)
OKLCHoklch(49.45% 0.143 17.2)
XYZxyz(17.4382, 10.8325, 6.4817)
Luminance0.1083 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33643 #36A396
analogous
#A33679 #A33643 #A35F36
triadic
#A33643 #43A336 #3643A3
tetradic
#A33643 #79A336 #36A396 #5F36A3
square
#A33643 #79A336 #36A396 #5F36A3
split-complementary
#A33643 #36A35F #3679A3
monochromatic
#47181D #752730 #A33643 #C5515F #D57F89

Accessibility & contrast

On white

6.63
#A33643 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.17
#A33643 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33643
6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33643#FFFFFF#000000##FFFFFF
##A336431.006.633.176.63
#FFFFFF6.631.0021.001.00
#0000003.1721.001.0021.00
##FFFFFF6.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#514E43
Deuteranopia (green-blind)
#6D6540
Tritanopia (blue-blind)
#B21F3B
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #a33643;
/* rgb */ color: rgb(163, 54, 67);
/* oklch */ color: oklch(49.4% 0.143 17.2);
Tailwind
colors: {
  custom: {
    50: '#c47377',
    500: '#a33643',
    950: '#000000',
  },
}
SCSS
$custom: #a33643;
$custom-light: #c47377;
$custom-dark: #000000;
JSON
{
  "hex": "#a33643",
  "rgb": {
    "r": 163,
    "g": 54,
    "b": 67
  },
  "hsl": {
    "h": 352.844,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49448,
    "c": 0.14334,
    "h": 17.2
  },
  "luminance": 0.1083
}

Semantic roles & 50–950 ramp

primary
#A33643
secondary
#77BEB5
accent
#DAC94E
background
#FCF7F7
surface
#F9EDED
border
#D2C8C8
text
#140808
muted
#827B7B

Preview Lab

Preview with #A33643

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

Preview Lab → · Contrast checker → · Palette generator →

#A33643 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva