#A53037#A53037

#A53037 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.153 H 21.7°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX#A53037
RGBrgb(165, 48, 55)
HSLhsl(356, 55%, 42%)
HSVhsv(356, 71%, 65%)
CMYKcmyk(0%, 70.9%, 66.7%, 35.3%)
CIE-LABlab(38.54, 48.10, 23.82)
CIE-LCHlch(38.54, 53.68, 26.34°)
OKLaboklab(48.88% 0.1418 0.0563)
OKLCHoklch(48.88% 0.153 21.7)
XYZxyz(17.2654, 10.3916, 4.7103)
Luminance0.1039 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A53037 #30A59E
analogous
#A53072 #A53037 #A56430
triadic
#A53037 #37A530 #3037A5
tetradic
#A53037 #72A530 #30A59E #6430A5
square
#A53037 #72A530 #30A59E #6430A5
split-complementary
#A53037 #30A564 #3072A5
monochromatic
#461417 #762227 #A53037 #CA4850 #D8787D

Accessibility & contrast

On white

6.82
#A53037 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.08
#A53037 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53037
6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A53037#FFFFFF#000000##FFFFFF
##A530371.006.823.086.82
#FFFFFF6.821.0021.001.00
#0000003.0821.001.0021.00
##FFFFFF6.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#504B36
Deuteranopia (green-blind)
#6E6434
Tritanopia (blue-blind)
#B50C34
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a53037;
/* rgb */ color: rgb(165, 48, 55);
/* oklch */ color: oklch(48.9% 0.153 21.7);
Tailwind
colors: {
  custom: {
    50: '#c7706d',
    500: '#a53037',
    950: '#000000',
  },
}
SCSS
$custom: #a53037;
$custom-light: #c7706d;
$custom-dark: #000000;
JSON
{
  "hex": "#a53037",
  "rgb": {
    "r": 165,
    "g": 48,
    "b": 55
  },
  "hsl": {
    "h": 356.41,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.48876,
    "c": 0.15258,
    "h": 21.7
  },
  "luminance": 0.10389
}

Semantic roles & 50–950 ramp

primary
#A53037
secondary
#71C0BB
accent
#DED54A
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140807
muted
#837B7A

Preview Lab

Preview with #A53037

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

Preview Lab → · Contrast checker → · Palette generator →

#A53037 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva