#A23638#A23638

#A23638 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.143 H 23.0°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX#A23638
RGBrgb(162, 54, 56)
HSLhsl(359, 50%, 42%)
HSVhsv(359, 67%, 64%)
CMYKcmyk(0%, 66.7%, 65.4%, 36.5%)
CIE-LABlab(38.91, 44.67, 23.55)
CIE-LCHlch(38.91, 50.50, 27.80°)
OKLaboklab(49.06% 0.1315 0.0559)
OKLCHoklch(49.06% 0.143 23)
XYZxyz(16.9350, 10.6076, 4.8963)
Luminance0.1061 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A23638 #36A2A0
analogous
#A2366E #A23638 #A26A36
triadic
#A23638 #38A236 #3638A2
tetradic
#A23638 #6EA236 #36A2A0 #6A36A2
square
#A23638 #6EA236 #36A2A0 #6A36A2
split-complementary
#A23638 #36A26A #366EA2
monochromatic
#461718 #742728 #A23638 #C55053 #D47E80

Accessibility & contrast

On white

6.73
#A23638 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.12
#A23638 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23638
6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A23638#FFFFFF#000000##FFFFFF
##A236381.006.733.126.73
#FFFFFF6.731.0021.001.00
#0000003.1221.001.0021.00
##FFFFFF6.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534D37
Deuteranopia (green-blind)
#6E6435
Tritanopia (blue-blind)
#B21C38
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a23638;
/* rgb */ color: rgb(162, 54, 56);
/* oklch */ color: oklch(49.1% 0.143 23.0);
Tailwind
colors: {
  custom: {
    50: '#c4736e',
    500: '#a23638',
    950: '#000000',
  },
}
SCSS
$custom: #a23638;
$custom-light: #c4736e;
$custom-dark: #000000;
JSON
{
  "hex": "#a23638",
  "rgb": {
    "r": 162,
    "g": 54,
    "b": 56
  },
  "hsl": {
    "h": 358.889,
    "s": 50,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4906,
    "c": 0.1429,
    "h": 23
  },
  "luminance": 0.10605
}

Semantic roles & 50–950 ramp

primary
#A23638
secondary
#77BDBC
accent
#DAD74E
background
#FCF7F6
surface
#F9EDEC
border
#D2C8C7
text
#140807
muted
#827B7A

Preview Lab

Preview with #A23638

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

Preview Lab → · Contrast checker → · Palette generator →

#A23638 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva