#A23637#A23637

#A23637 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.0% C 0.143 H 23.6°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX#A23637
RGBrgb(162, 54, 55)
HSLhsl(359, 50%, 42%)
HSVhsv(359, 67%, 64%)
CMYKcmyk(0%, 66.7%, 66%, 36.5%)
CIE-LABlab(38.89, 44.60, 24.15)
CIE-LCHlch(38.89, 50.72, 28.43°)
OKLaboklab(49.04% 0.1311 0.0572)
OKLCHoklch(49.04% 0.143 23.6)
XYZxyz(16.9108, 10.5979, 4.7688)
Luminance0.1060 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A23637 #36A2A1
analogous
#A2366D #A23637 #A26B36
triadic
#A23637 #37A236 #3637A2
tetradic
#A23637 #6DA236 #36A2A1 #6B36A2
square
#A23637 #6DA236 #36A2A1 #6B36A2
split-complementary
#A23637 #36A26B #366DA2
monochromatic
#461718 #742727 #A23637 #C55051 #D47E7F

Accessibility & contrast

On white

6.73
#A23637 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.12
#A23637 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23637
6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A23637#FFFFFF#000000##FFFFFF
##A236371.006.733.126.73
#FFFFFF6.731.0021.001.00
#0000003.1221.001.0021.00
##FFFFFF6.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534D36
Deuteranopia (green-blind)
#6E6434
Tritanopia (blue-blind)
#B21C37
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a23637;
/* rgb */ color: rgb(162, 54, 55);
/* oklch */ color: oklch(49.0% 0.143 23.6);
Tailwind
colors: {
  custom: {
    50: '#c4736e',
    500: '#a23637',
    950: '#000000',
  },
}
SCSS
$custom: #a23637;
$custom-light: #c4736e;
$custom-dark: #000000;
JSON
{
  "hex": "#a23637",
  "rgb": {
    "r": 162,
    "g": 54,
    "b": 55
  },
  "hsl": {
    "h": 359.444,
    "s": 50,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49042,
    "c": 0.14302,
    "h": 23.6
  },
  "luminance": 0.10596
}

Semantic roles & 50–950 ramp

primary
#A23637
secondary
#77BDBD
accent
#DAD84E
background
#FCF7F6
surface
#F9EDEB
border
#D2C8C6
text
#140807
muted
#827B7A

Preview Lab

Preview with #A23637

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

Preview Lab → · Contrast checker → · Palette generator →

#A23637 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva