#A23137#A23137

#A23137 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.148 H 21.8°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#A23137
RGBrgb(162, 49, 55)
HSLhsl(357, 54%, 41%)
HSVhsv(357, 70%, 64%)
CMYKcmyk(0%, 69.8%, 66%, 36.5%)
CIE-LABlab(38.12, 46.71, 23.18)
CIE-LCHlch(38.12, 52.14, 26.39°)
OKLaboklab(48.46% 0.1378 0.055)
OKLCHoklch(48.46% 0.148 21.8)
XYZxyz(16.6899, 10.1562, 4.6952)
Luminance0.1015 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A23137 #31A29C
analogous
#A23170 #A23137 #A26431
triadic
#A23137 #37A231 #3137A2
tetradic
#A23137 #70A231 #31A29C #6431A2
square
#A23137 #70A231 #31A29C #6431A2
split-complementary
#A23137 #31A264 #3170A2
monochromatic
#441517 #732327 #A23137 #C8484F #D6777C

Accessibility & contrast

On white

6.93
#A23137 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.03
#A23137 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23137
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A23137#FFFFFF#000000##FFFFFF
##A231371.006.933.036.93
#FFFFFF6.931.0021.001.00
#0000003.0321.001.0021.00
##FFFFFF6.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#504A36
Deuteranopia (green-blind)
#6C6334
Tritanopia (blue-blind)
#B21234
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #a23137;
/* rgb */ color: rgb(162, 49, 55);
/* oklch */ color: oklch(48.5% 0.148 21.8);
Tailwind
colors: {
  custom: {
    50: '#c4716d',
    500: '#a23137',
    950: '#000000',
  },
}
SCSS
$custom: #a23137;
$custom-light: #c4716d;
$custom-dark: #000000;
JSON
{
  "hex": "#a23137",
  "rgb": {
    "r": 162,
    "g": 49,
    "b": 55
  },
  "hsl": {
    "h": 356.814,
    "s": 53.555,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48463,
    "c": 0.14834,
    "h": 21.8
  },
  "luminance": 0.10154
}

Semantic roles & 50–950 ramp

primary
#A23137
secondary
#71BEBA
accent
#DDD54B
background
#FCF7F6
surface
#F9EDEB
border
#D2C8C6
text
#140807
muted
#827B7A

Preview Lab

Preview with #A23137

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

Preview Lab → · Contrast checker → · Palette generator →

#A23137 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva