#A43A40#A43A40

#A43A40 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.0% C 0.140 H 20.5°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#A43A40
RGB	rgb(164, 58, 64)
HSL	hsl(357, 48%, 44%)
HSV	hsv(357, 65%, 64%)
CMYK	cmyk(0%, 64.6%, 61%, 35.7%)
CIE-LAB	lab(40.07, 44.13, 20.16)
CIE-LCH	lch(40.07, 48.52, 24.56°)
OKLab	oklab(50.04% 0.1311 0.049)
OKLCH	oklch(50.04% 0.14 20.5)
XYZ	xyz(17.7500, 11.2912, 6.0942)
Luminance	0.1129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43A40 #3AA49E

analogous

#A43A75 #A43A40 #A4693A

triadic

#A43A40 #40A43A #3A40A4

tetradic

#A43A40 #75A43A #3AA49E #693AA4

square

#A43A40 #75A43A #3AA49E #693AA4

split-complementary

#A43A40 #3AA469 #3A75A4

monochromatic

#4A1A1D #772A2E #A43A40 #C4575E #D48589

Accessibility & contrast

On white

6.45

#A43A40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#A43A40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43A40

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43A40	#FFFFFF	#000000	##FFFFFF
##A43A40	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55503F

Deuteranopia (green-blind)

#70673D

Tritanopia (blue-blind)

#B4243D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a43a40;
/* rgb */ color: rgb(164, 58, 64);
/* oklch */ color: oklch(50.0% 0.140 20.5);

Tailwind

colors: {
  custom: {
    50: '#c57674',
    500: '#a43a40',
    950: '#000000',
  },
}

SCSS

$custom: #a43a40;
$custom-light: #c57674;
$custom-dark: #000000;

JSON

{
  "hex": "#a43a40",
  "rgb": {
    "r": 164,
    "g": 58,
    "b": 64
  },
  "hsl": {
    "h": 356.604,
    "s": 47.748,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50039,
    "c": 0.13993,
    "h": 20.5
  },
  "luminance": 0.11289
}

Semantic roles & 50–950 ramp

primary

#A43A40

secondary

#7CBEBA

accent

#D7D050

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A43A40

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

Preview Lab → · Contrast checker → · Palette generator →