#A43440#A43440

#A43440 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.147 H 18.3°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX#A43440
RGBrgb(164, 52, 64)
HSLhsl(354, 52%, 42%)
HSVhsv(354, 68%, 64%)
CMYKcmyk(0%, 68.3%, 61%, 35.7%)
CIE-LABlab(39.11, 46.73, 18.91)
CIE-LCHlch(39.11, 50.41, 22.03°)
OKLaboklab(49.32% 0.1393 0.0461)
OKLCHoklch(49.32% 0.147 18.3)
XYZxyz(17.4649, 10.7211, 5.9992)
Luminance0.1072 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A43440 #34A498
analogous
#A43478 #A43440 #A46034
triadic
#A43440 #40A434 #3440A4
tetradic
#A43440 #78A434 #34A498 #6034A4
square
#A43440 #78A434 #34A498 #6034A4
split-complementary
#A43440 #34A460 #3478A4
monochromatic
#47171C #76252E #A43440 #C74E5B #D67D86

Accessibility & contrast

On white

6.68
#A43440 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#A43440 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43440
6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A43440#FFFFFF#000000##FFFFFF
##A434401.006.683.146.68
#FFFFFF6.681.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#514D40
Deuteranopia (green-blind)
#6D653D
Tritanopia (blue-blind)
#B41A39
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a43440;
/* rgb */ color: rgb(164, 52, 64);
/* oklch */ color: oklch(49.3% 0.147 18.3);
Tailwind
colors: {
  custom: {
    50: '#c57274',
    500: '#a43440',
    950: '#000000',
  },
}
SCSS
$custom: #a43440;
$custom-light: #c57274;
$custom-dark: #000000;
JSON
{
  "hex": "#a43440",
  "rgb": {
    "r": 164,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 353.571,
    "s": 51.852,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4932,
    "c": 0.14676,
    "h": 18.3
  },
  "luminance": 0.10719
}

Semantic roles & 50–950 ramp

primary
#A43440
secondary
#75BFB7
accent
#DBCC4C
background
#FCF7F7
surface
#F9EDED
border
#D2C8C8
text
#140808
muted
#827B7B

Preview Lab

Preview with #A43440

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

Preview Lab → · Contrast checker → · Palette generator →

#A43440 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva