#A83037#A83037

#A83037 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.4% C 0.156 H 21.9°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX#A83037
RGBrgb(168, 48, 55)
HSLhsl(357, 56%, 42%)
HSVhsv(357, 71%, 66%)
CMYKcmyk(0%, 71.4%, 67.3%, 34.1%)
CIE-LABlab(39.10, 49.08, 24.64)
CIE-LCHlch(39.10, 54.92, 26.66°)
OKLaboklab(49.4% 0.1445 0.0581)
OKLCHoklch(49.4% 0.156 21.9)
XYZxyz(17.8969, 10.7172, 4.7399)
Luminance0.1071 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A83037 #30A8A1
analogous
#A83073 #A83037 #A86530
triadic
#A83037 #37A830 #3037A8
tetradic
#A83037 #73A830 #30A8A1 #6530A8
square
#A83037 #73A830 #30A8A1 #6530A8
split-complementary
#A83037 #30A865 #3073A8
monochromatic
#491518 #782227 #A83037 #CB4A51 #D97A7F

Accessibility & contrast

On white

6.68
#A83037 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#A83037 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A83037
6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A83037#FFFFFF#000000##FFFFFF
##A830371.006.683.146.68
#FFFFFF6.681.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#514C36
Deuteranopia (green-blind)
#706533
Tritanopia (blue-blind)
#B90834
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a83037;
/* rgb */ color: rgb(168, 48, 55);
/* oklch */ color: oklch(49.4% 0.156 21.9);
Tailwind
colors: {
  custom: {
    50: '#c9716d',
    500: '#a83037',
    950: '#000000',
  },
}
SCSS
$custom: #a83037;
$custom-light: #c9716d;
$custom-dark: #000000;
JSON
{
  "hex": "#a83037",
  "rgb": {
    "r": 168,
    "g": 48,
    "b": 55
  },
  "hsl": {
    "h": 356.5,
    "s": 55.556,
    "l": 42.353
  },
  "oklch": {
    "l": 0.494,
    "c": 0.15576,
    "h": 21.9
  },
  "luminance": 0.10715
}

Semantic roles & 50–950 ramp

primary
#A83037
secondary
#73C1BD
accent
#DFD649
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#150807
muted
#837B7A

Preview Lab

Preview with #A83037

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

Preview Lab → · Contrast checker → · Palette generator →

#A83037 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva