#A82537#A82537

#A82537 is a mid, vivid red. Relative luminance 0.099; OKLCH L 48.4% C 0.166 H 19.0°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX#A82537
RGBrgb(168, 37, 55)
HSLhsl(352, 64%, 40%)
HSVhsv(352, 78%, 66%)
CMYKcmyk(0%, 78%, 67.3%, 34.1%)
CIE-LABlab(37.71, 52.95, 22.91)
CIE-LCHlch(37.71, 57.69, 23.39°)
OKLaboklab(48.37% 0.1569 0.0542)
OKLCHoklch(48.37% 0.166 19)
XYZxyz(17.5015, 9.9265, 4.6081)
Luminance0.0992 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A82537 #25A896
analogous
#A82578 #A82537 #A85525
triadic
#A82537 #37A825 #2537A8
tetradic
#A82537 #78A825 #25A896 #5525A8
square
#A82537 #78A825 #25A896 #5525A8
split-complementary
#A82537 #25A855 #2578A8
monochromatic
#440F16 #761A27 #A82537 #D3374D #DE6979

Accessibility & contrast

On white

7.04
#A82537 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.98
#A82537 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A82537
7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A82537#FFFFFF#000000##FFFFFF
##A825371.007.042.987.04
#FFFFFF7.041.0021.001.00
#0000002.9821.001.0021.00
##FFFFFF7.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B4737
Deuteranopia (green-blind)
#6C6333
Tritanopia (blue-blind)
#B9002D
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #a82537;
/* rgb */ color: rgb(168, 37, 55);
/* oklch */ color: oklch(48.4% 0.166 19.0);
Tailwind
colors: {
  custom: {
    50: '#ca6c6d',
    500: '#a82537',
    950: '#000000',
  },
}
SCSS
$custom: #a82537;
$custom-light: #ca6c6d;
$custom-dark: #000000;
JSON
{
  "hex": "#a82537",
  "rgb": {
    "r": 168,
    "g": 37,
    "b": 55
  },
  "hsl": {
    "h": 351.756,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48367,
    "c": 0.16596,
    "h": 19
  },
  "luminance": 0.09924
}

Semantic roles & 50–950 ramp

primary
#A82537
secondary
#65C4B7
accent
#E7D041
background
#FDF6F6
surface
#FAECEB
border
#D3C7C6
text
#150807
muted
#837A7A

Preview Lab

Preview with #A82537

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

Preview Lab → · Contrast checker → · Palette generator →

#A82537 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva