#A43D3F#A43D3F

#A43D3F is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.4% C 0.137 H 22.3°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#A43D3F
RGB	rgb(164, 61, 63)
HSL	hsl(359, 46%, 44%)
HSV	hsv(359, 63%, 64%)
CMYK	cmyk(0%, 62.8%, 61.6%, 35.7%)
CIE-LAB	lab(40.56, 42.69, 21.42)
CIE-LCH	lch(40.56, 47.76, 26.64°)
OKLab	oklab(50.4% 0.1264 0.0518)
OKLCH	oklch(50.4% 0.137 22.3)
XYZ	xyz(17.8775, 11.5912, 5.9976)
Luminance	0.1159 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43D3F #3DA4A2

analogous

#A43D73 #A43D3F #A46F3D

triadic

#A43D3F #3FA43D #3D3FA4

tetradic

#A43D3F #73A43D #3DA4A2 #6F3DA4

square

#A43D3F #73A43D #3DA4A2 #6F3DA4

split-complementary

#A43D3F #3DA46F #3D73A4

monochromatic

#4B1C1D #772C2E #A43D3F #C25C5E #D3888A

Accessibility & contrast

On white

6.33

#A43D3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#A43D3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43D3F

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43D3F	#FFFFFF	#000000	##FFFFFF
##A43D3F	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523E

Deuteranopia (green-blind)

#71683C

Tritanopia (blue-blind)

#B4283F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a43d3f;
/* rgb */ color: rgb(164, 61, 63);
/* oklch */ color: oklch(50.4% 0.137 22.3);

Tailwind

colors: {
  custom: {
    50: '#c57774',
    500: '#a43d3f',
    950: '#000000',
  },
}

SCSS

$custom: #a43d3f;
$custom-light: #c57774;
$custom-dark: #000000;

JSON

{
  "hex": "#a43d3f",
  "rgb": {
    "r": 164,
    "g": 61,
    "b": 63
  },
  "hsl": {
    "h": 358.835,
    "s": 45.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50402,
    "c": 0.13654,
    "h": 22.3
  },
  "luminance": 0.11589
}

Semantic roles & 50–950 ramp

primary

#A43D3F

secondary

#7FBDBC

accent

#D5D352

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A43D3F

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

Preview Lab → · Contrast checker → · Palette generator →