#A43640#A43640

#A43640 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.6% C 0.145 H 19.0°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#A43640
RGB	rgb(164, 54, 64)
HSL	hsl(355, 50%, 43%)
HSV	hsv(355, 67%, 64%)
CMYK	cmyk(0%, 67.1%, 61%, 35.7%)
CIE-LAB	lab(39.42, 45.88, 19.31)
CIE-LCH	lch(39.42, 49.78, 22.83°)
OKLab	oklab(49.55% 0.1367 0.047)
OKLCH	oklch(49.55% 0.145 19)
XYZ	xyz(17.5561, 10.9034, 6.0296)
Luminance	0.1090 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43640 #36A49A

analogous

#A43677 #A43640 #A46336

triadic

#A43640 #40A436 #3640A4

tetradic

#A43640 #77A436 #36A49A #6336A4

square

#A43640 #77A436 #36A49A #6336A4

split-complementary

#A43640 #36A463 #3677A4

monochromatic

#48181C #76272E #A43640 #C6515C #D57F87

Accessibility & contrast

On white

6.60

#A43640 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#A43640 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43640

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43640	#FFFFFF	#000000	##FFFFFF
##A43640	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E40

Deuteranopia (green-blind)

#6E653D

Tritanopia (blue-blind)

#B41E3A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a43640;
/* rgb */ color: rgb(164, 54, 64);
/* oklch */ color: oklch(49.6% 0.145 19.0);

Tailwind

colors: {
  custom: {
    50: '#c57474',
    500: '#a43640',
    950: '#000000',
  },
}

SCSS

$custom: #a43640;
$custom-light: #c57474;
$custom-dark: #000000;

JSON

{
  "hex": "#a43640",
  "rgb": {
    "r": 164,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 354.545,
    "s": 50.459,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49553,
    "c": 0.14451,
    "h": 19
  },
  "luminance": 0.10901
}

Semantic roles & 50–950 ramp

primary

#A43640

secondary

#78BEB8

accent

#DACD4E

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140808

muted

#827B7B

Preview Lab

Preview with #A43640

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

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