#A53831#A53831

#A53831 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.7% C 0.145 H 27.3°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX#A53831
RGBrgb(165, 56, 49)
HSLhsl(4, 54%, 42%)
HSVhsv(4, 70%, 65%)
CMYKcmyk(0%, 66.1%, 70.3%, 35.3%)
CIE-LABlab(39.67, 44.43, 28.85)
CIE-LCHlch(39.67, 52.98, 32.99°)
OKLaboklab(49.69% 0.129 0.0666)
OKLCHoklch(49.69% 0.145 27.3)
XYZxyz(17.4874, 11.0519, 4.1175)
Luminance0.1105 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A53831 #319EA5
analogous
#A53164 #A53831 #A57231
triadic
#A53831 #31A538 #3831A5
tetradic
#A53831 #64A531 #319EA5 #7231A5
square
#A53831 #64A531 #319EA5 #7231A5
split-complementary
#A53831 #31A572 #3164A5
monochromatic
#471815 #762823 #A53831 #C9524A #D77F79

Accessibility & contrast

On white

6.54
#A53831 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#A53831 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53831
6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A53831#FFFFFF#000000##FFFFFF
##A538311.006.543.216.54
#FFFFFF6.541.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564F2F
Deuteranopia (green-blind)
#71662E
Tritanopia (blue-blind)
#B51C37
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #a53831;
/* rgb */ color: rgb(165, 56, 49);
/* oklch */ color: oklch(49.7% 0.145 27.3);
Tailwind
colors: {
  custom: {
    50: '#c77469',
    500: '#a53831',
    950: '#000000',
  },
}
SCSS
$custom: #a53831;
$custom-light: #c77469;
$custom-dark: #000000;
JSON
{
  "hex": "#a53831",
  "rgb": {
    "r": 165,
    "g": 56,
    "b": 49
  },
  "hsl": {
    "h": 3.621,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49693,
    "c": 0.14513,
    "h": 27.3
  },
  "luminance": 0.11049
}

Semantic roles & 50–950 ramp

primary
#A53831
secondary
#72BBC0
accent
#D5DE4A
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140906
muted
#837B7A

Preview Lab

Preview with #A53831

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

Preview Lab → · Contrast checker → · Palette generator →

#A53831 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva