#A42443#A42443

#A42443 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.8% C 0.163 H 12.5°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX#A42443
RGBrgb(164, 36, 67)
HSLhsl(345, 64%, 39%)
HSVhsv(345, 78%, 64%)
CMYKcmyk(0%, 78%, 59.1%, 35.7%)
CIE-LABlab(37.04, 52.83, 14.26)
CIE-LCHlch(37.04, 54.72, 15.10°)
OKLaboklab(47.81% 0.1594 0.0354)
OKLCHoklch(47.81% 0.163 12.5)
XYZxyz(16.9555, 9.5620, 6.2619)
Luminance0.0956 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A42443 #24A485
analogous
#A42483 #A42443 #A44524
triadic
#A42443 #43A424 #2443A4
tetradic
#A42443 #83A424 #24A485 #4524A4
square
#A42443 #83A424 #24A485 #4524A4
split-complementary
#A42443 #24A445 #2483A4
monochromatic
#400E1A #72192E #A42443 #D2335A #DD6582

Accessibility & contrast

On white

7.21
#A42443 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.91
#A42443 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42443
7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A42443#FFFFFF#000000##FFFFFF
##A424431.007.212.917.21
#FFFFFF7.211.0021.001.00
#0000002.9121.001.0021.00
##FFFFFF7.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#474643
Deuteranopia (green-blind)
#686140
Tritanopia (blue-blind)
#B40031
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #a42443;
/* rgb */ color: rgb(164, 36, 67);
/* oklch */ color: oklch(47.8% 0.163 12.5);
Tailwind
colors: {
  custom: {
    50: '#c66b76',
    500: '#a42443',
    950: '#000000',
  },
}
SCSS
$custom: #a42443;
$custom-light: #c66b76;
$custom-dark: #000000;
JSON
{
  "hex": "#a42443",
  "rgb": {
    "r": 164,
    "g": 36,
    "b": 67
  },
  "hsl": {
    "h": 345.469,
    "s": 64,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47809,
    "c": 0.1633,
    "h": 12.5
  },
  "luminance": 0.0956
}

Semantic roles & 50–950 ramp

primary
#A42443
secondary
#61C3AB
accent
#E7BF41
background
#FDF6F7
surface
#FAECED
border
#D3C7C8
text
#140708
muted
#837A7B

Preview Lab

Preview with #A42443

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

Preview Lab → · Contrast checker → · Palette generator →

#A42443 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva